Granted Patent
Utility
US 4,310,814 · App. 06/167,489
Transmission line hybrid junction
Inventor:
David F. Bowman
Patented Case
View Patent ↗
Granted: Jan 12, 1982
Filed: Jul 11, 1980
Inventor
David F. Bowman
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.