Granted Patent
Utility
US 4,700,365 · App. 06/791,489
Digital threshold detector with hysteresis
Inventor:
Robert F. Casey
Patented Case
View Patent ↗
Granted: Oct 13, 1987
Filed: Oct 25, 1985
Inventor
Robert F. Casey
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.