Granted Patent
Utility
US 4,733,199 · App. 07/012,740
Multi-frequency dielectric resonator oscillator using parallel feedback
Inventor:
Amarpal S. Khanna
Patented Case
View Patent ↗
Granted: Mar 22, 1988
Filed: Feb 9, 1987
Inventor
Amarpal S. Khanna
Assignee (at issue)
Avantek, Inc.
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.