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Dale W Blackaby

from Pekin, IL
Age ~93
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Related to:
Cynthia L Foster, 60Cole Thomas CrawfordPaul David Stalter, 83James R CrawfordMelissa M BlackabyMelissa Blackaby, 43Margaret A Crawford, 88
Connected to:
Amos Blackaby, 41Kelly E Blacka, 59Melanie A Blackadar, 63Judith A Blackann, 75Michael T Blackall, 66Cindy L Blackard, 63David C Blackard, 56Jane G Blackard, 93Jonathan Blackard, 35Laura J Blackard, 38

Dale Blackaby Phones & Addresses

  • Pekin, IL

Publications

Us Patents

Theatrical Risers

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US Patent:
45778566, Mar 25, 1986
Filed:
Aug 17, 1983
Appl. No.:
6/524055
Inventors:
Dale W. Blackaby - Pekin IL
International Classification:
A63J 500
US Classification:
272 25
Abstract:
A theatrical riser comprises a triangular top panel supported on a base which is formed of three vertical rectangular panels. The rectangular panels are interconnected at the corners of the base by projections which are integral with a panel and extend through a slot on the adjacent panel. The projections have upturned or downturned portions which extend over the exterior surface of the adjacent panel to prevent horizontal withdrawal of the projections from the slots. A kit for forming such risers is also disclosed.
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Dale W Blackaby from Pekin, IL, age ~93 Get Report