Granted Patent
Utility
US 4,763,193 · App. 07/001,361
Automatic determination of time base in electronic time-keeping apparatus
Inventor:
Warren C. DeVilbiss
Patented Case
View Patent ↗
Granted: Aug 9, 1988
Filed: Jan 8, 1987
Inventor
Warren C. DeVilbiss
Assignee (at issue)
RCA Licensing 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.