Gerald L Karel

6369709, Apr 9, 2002

Apr 10, 1998

09/058547

Roger D. Larson - Woodbury MN
James E. Fergen - North St. Paul MN
John E. Nelson - Woodbury MN
Thomas J. Brace - Oakdale MN
Michael J. Kieffer - Apple Valley MN
John D. Yorkovich - Maplewood MN
Gerald L. Karel - Maplewood MN
Gerald G. Marsolek - South St. Paul MN
Mitchell B. Grunes - Minneapolis MN
Kathleen M. McLeod - Lond, CA
Richard M. Willems - South St. Paul MN
Ronald C. Wurz - Chalfont PA

3M Innovative Properties Company - St. Paul MN

G08B 1314

340571, 3406861, 3406862, 705 30, 235375, 235380, 235385, 235410

A library terminal permits a user to execute a loan transaction without assistance. The library terminal (i) provides a visible scan line from a bar code reader indicating the correct positioning of the bar code on a circulating item, (ii) leads a user through a loan transaction, (iii) provides an explicit feedback to a user when an article has an improper position on the article receiving area, (iv) both checks out and checks in circulating items, (v) stores fonts in bit maps of screen displays instead of in a separate font memory, (vi) integrates a security marker reader, a printer, and a controller in the same housing, (vii) processes financial transactions related to the borrowing of circulating items, and/or (viii) displays actions for helping the user to correct errors in use of the terminal.

6424262, Jul 23, 2002

Mar 13, 2001

09/804923

Sharon R. Garber - Crystal MN
Bernard A. Gonzalez - St. Paul MN
Mitchell B. Grunes - Minneapolis MN
Richard H. Jackson - Inver Grove Heights MN
Gerald L. Karel - Maplewood MN
John M. Kruse - Minneapolis MN
Richard W. Lindahl - Oakdale MN
James E. Nash - Bloomington MN
Chester Piotrowski - White Bear Lake MN
John D. Yorkovich - Maplewood MN

3M Innovative Properties Company - St. Paul MN

G08B 1314

3405723, 335284

The present invention relates to RFID devices, including handheld RFID devices, and applications for such devices. The devices and applications may be used in connection with items that are associated with an RFID tag, and optionally a magnetic security element. The devices and applications are described with particular reference to library materials such as books, periodicals, and magnetic and optical media.

6448886, Sep 10, 2002

Mar 13, 2001

09/805425

Sharon R. Garber - Crystal MN
Bernard A. Gonzalez - St. Paul MN
Mitchell B. Grunes - Minneapolis MN
Richard H. Jackson - Inver Grove Heights MN
Gerald L. Karel - Maplewood MN
John M. Kruse - Minneapolis MN
Richard W. Lindahl - Oakdale MN
James E. Nash - Bloomington MN
Chester Piotrowski - White Bear Lake MN
John D. Yorkovich - Maplewood MN

3M Innovative Properties Company - St. Paul MN

H04Q 522

340 101, 235385, 3405724

The present invention relates to RFID devices, including handheld RFID devices, and applications for such devices. The devices and applications may be used in connection with items that are associated with an RFID tag, and optionally a magnetic security element. The devices and applications are described with particular reference to library materials such as books, periodicals, and magnetic and optical media.

6486780, Nov 26, 2002

Jul 19, 2000

09/619220

Sharon R. Garber - Crystal MN
Bernard A. Gonzalez - St. Paul MN
Mitchell B. Grunes - Minneapolis MN
Richard H. Jackson - Inver Grove Heights MN
Gerald L. Karel - Maplewood MN
John M. Kruse - Minneapolis MN
Richard W. Lindahl - Oakdale MN
James E. Nash - Bloomington MN
Chester Piotrowski - White Bear Lake MN
John D. Yorkovich - Maplewood MN

3M Innovative Properties Company - St. Paul MN

G08B 1314

3405721, 235385, 340 592

The present invention relates to RFID devices, including handheld RFID devices, and applications for such devices. The devices and applications may be used in connection with items that are associated with an RFID tag, and optionally a magnetic security element. The devices and applications are described with particular reference to library materials such as books, periodicals, and magnetic and optical media.

6542070, Apr 1, 2003

Nov 15, 2000

09/713445

Roger D. Larson - Woodbury MN
James E. Fergen - North St. Paul MN
John E. Nelson - Woodbury MN
Michael J. Kieffer - Apple Valley MN
Gerald L. Karel - Maplewood MN
Gerald G. Marsolek - South St. Paul MN
Mitchell B. Grunes - Minneapolis MN
Kathleen M. McLeod - London, CA
Richard M. Willems - South St. Paul MN

Minnesota Mining and Manufacturing Company - St. Paul MN

G08B 900

34028601, 34028602, 235375, 235470, 707 10, 710 8, 710 10

A library terminal permits a user to execute a loan transaction without assistance. The library terminal (i) provides a visible scan line from a bar code reader indicating the correct positioning of the bar code on a circulating item, (ii) leads a user through a loan transaction, (iii) provides an explicit feedback to a user when an article has an improper position on the article receiving area, (iv) both checks out and checks in circulating items, (v) stores fonts in bit maps of screen displays instead of in a separate font memory, (vi) integrates a security marker reader, a printer, and a controller in the same housing, (vii) processes financial transaction related to the borrowing of circulating items, and/or (viii) displays actions for helping the user to correct errors in use of the terminal.

6646554, Nov 11, 2003

Aug 14, 2000

09/639032

Edward D. Goff - Oakdale MN
Gerald L. Karel - Maplewood MN
Chester Piotrowski - White Bear Lake MN
Robert A. Sainati - Bloomington MN
Ching-Long Tsai - Woodbury MN

3M Innovative Properties Company - St. Paul MN

G08B 1314

3405726, 3405681, 3405721

A combination tag is disclosed, including a magnetically-responsive element and a radio frequency-responsive element. In one embodiment, the magnetically-responsive element also functions as an antenna for the radio frequency-responsive element.

6750777, Jun 15, 2004

Aug 9, 2001

09/927082

Roger D. Larson - Woodbury MN
James E. Fergen - North St. Paul MN
John E. Nelson - Woodbury MN
Thomas J. Brace - Oakdale MN
Michael J. Kieffer - Apple Valley MN
John D. Yorkovich - Maplewood MN
Gerald L. Karel - Maplewood MN
Gerald G. Marsolek - South St. Paul MN
Mitchell B. Grunes - Minneapolis MN
Kathleen M. McLeod - Lond, CA
Richard M. Willems - South St. Paul MN
Ronald C. Wurz - Chalfont PA

3M Innovative Properties Company - St. Paul MN

G08B 500

3406911, 3406916, 235375, 235380, 235382, 235470

A library terminal permits a user to execute a loan transaction without assistance. The library terminal (i) provides a visible scan line from a bar code reader indicating the correct positioning of the bar code on a circulating item, (ii) leads a user through a loan transaction, (iii) provides an explicit feedback to a user when an article has an improper position on the article receiving area, (iv) both checks out and checks in circulating items, (v) stores fonts in bit maps of screen displays instead of in a separate font memory, (vi) integrates a security marker reader, a printer, and a controller in the same housing, (vii) processes financial transactions related to the borrowing of circulating items, and/or (viii) displays actions for helping the user to correct errors in use of the terminal.

6768419, Jul 27, 2004

May 20, 2002

10/152255

Sharon R. Garber - Crystal MN
Bernard A. Gonzalez - St. Paul MN
Mitchell B. Grunes - Minneapolis MN
Richard H. Jackson - Inver Grove Heights MN
Gerald L. Karel - Maplewood MN
John M. Kruse - Minneapolis MN
Richard W. Lindahl - Oakdale MN
James E. Nash - Bloomington MN
Chester Piotrowski - White Bear Lake MN
John D. Yorkovich - Maplewood MN

3M Innovative Properties Company - St. Paul MN

G08B 1314

3405724, 235385, 340 101, 3406931

The present invention relates to RFID devices, including handheld RFID devices, and applications for such devices. The devices and applications may be used in connection with items that are associated with an RFID tag, and optionally a magnetic security element. The devices and applications are described with particular reference to library materials such as books, periodicals, and magnetic and optical media.