Granted Patent
Utility
US 5,894,686 · App. 08/147,961
Light distribution/information display systems
Inventors:
Jeffery R. Parker, Terrence P. Hopkins
Patented Case
View Patent ↗
Granted: Apr 20, 1999
Filed: Nov 4, 1993
Inventors
Jeffery R. Parker
Terrence P. Hopkins
Assignee (at issue)
Lumitex, Inc.
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.