Granted Patent
Utility
US 4,602,227 · App. 06/635,926
Coaxial LC phase-shifter for phase-controlled television broadcast switching circuit
Inventors:
Raymond N. Clark, Anthony Schmitz
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Jul 30, 1984
Inventors
Raymond N. Clark
Anthony Schmitz
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.