Granted Patent
Utility
US 4,499,495 · App. 06/401,449
Switching diplexer for single antenna input television receivers
Inventor:
Peter Strammello, Jr.
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Jul 26, 1982
Inventor
Peter Strammello, Jr.
Assignee (at issue)
Zenith Electronics LLC
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.