Granted Patent
Utility
US 4,631,503 · App. 06/749,272
Grooved waveguide shorting block and method of assembly
Inventor:
Paul R. Brown
Patented Case
View Patent ↗
Granted: Dec 23, 1986
Filed: Jun 27, 1985
Inventor
Paul R. Brown
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.