Granted Patent
Utility
US 4,735,290 · App. 07/019,426
System and method for displaying, vending and controlling inventory of valuable articles such as pre-recorded videotape cassettes
Inventor:
Frank D. Byrley
Patented Case
View Patent ↗
Granted: Apr 5, 1988
Filed: Feb 26, 1987
Inventor
Frank D. Byrley
Assignee (at issue)
Southland Corporation
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.