Granted Patent
Utility
US 5,146,205 · App. 07/676,424
Security and display system
Inventors:
Terry A. Keifer, Larry Yeager
Patented Case
View Patent ↗
Granted: Sep 8, 1992
Filed: Mar 28, 1991
Inventors
Terry A. Keifer
Larry Yeager
Assignee (at issue)
Protex International Corp.
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.