Granted Patent
Utility
US 4,587,448 · App. 06/517,841
Signal transition detection circuit
Inventor:
Eric P. Batterman
Patented Case
View Patent ↗
Granted: May 6, 1986
Filed: Jul 27, 1983
Inventor
Eric P. Batterman
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.