Granted Patent
Utility
US 4,638,498 · App. 06/780,898
Digital timing system
Inventors:
Joseph O. Sinniger, Anthony D. Robbi
Patented Case
View Patent ↗
Granted: Jan 20, 1987
Filed: Sep 27, 1985
Inventors
Joseph O. Sinniger
Anthony D. Robbi
Assignee (at issue)
RCA 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.