US Patent:
20090128355, May 21, 2009
Inventors:
Mark URBIN - Douglasville GA, US
International Classification:
G08B 5/00
Abstract:
In one aspect, the present invention relates to a device for visibly marking a fire hydrant. In one embodiment, the device for visibly marking a fire hydrant has a ring-shaped body portion defining a bore between a first end surface and an opposite, second end surface, a light emitting means disposed on the body portion, and at least one photovoltaic device disposed on the first end surface and positioned to be exposed to the external environment, for powering the light emitting means.