Granted Patent
Utility
US 4,799,028 · App. 06/881,438
Zero phase shift active microwave oscillators with resistive feedback in field effect transistor amplifiers
Inventors:
Gary R. Weaver, Bryce Smith, Gregory Louis Horvath, Bernard L. Walsh, Jr.
Patented Case
View Patent ↗
Granted: Jan 17, 1989
Filed: Jul 2, 1986
Inventors
Gary R. Weaver
Bryce Smith
Gregory Louis Horvath
Bernard L. Walsh, Jr.
Assignee (at issue)
Hughes Aircraft Company
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.