Granted Patent
Utility
US 4,357,580 · App. 06/180,390
Wideband microwave frequency divider
Inventor:
Daniel D. Mawhinney
Patented Case
View Patent ↗
Granted: Nov 2, 1982
Filed: Aug 21, 1980
Inventor
Daniel D. Mawhinney
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.