Granted Patent
Utility
US 4,633,316 · App. 06/671,271
Stable low cost 4.5 MHz remodulator
Inventors:
Dennis E. Burke, John A. Lund
Patented Case
View Patent ↗
Granted: Dec 30, 1986
Filed: Nov 14, 1984
Inventors
Dennis E. Burke
John A. Lund
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.