Granted Patent
Utility
US 5,812,714 · App. 08/791,683
Optical waveguide elements for a distributed lighting system
Inventor:
George R. Hulse
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Jan 30, 1997
Inventor
George R. Hulse
Assignee (at issue)
Cooper Industries Holdings
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.