Granted Patent
Utility
US 4,814,875 · App. 06/853,304
Digital envelope shaping apparatus
Inventor:
Reginald W. Oldershaw
Patented Case
View Patent ↗
Granted: Mar 21, 1989
Filed: Apr 17, 1986
Inventor
Reginald W. Oldershaw
Assignee (at issue)
Ampex 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.