Granted Patent
Utility
US 5,661,424 · App. 08/010,033
Frequency hopping synthesizer using dual gate amplifiers
Inventor:
Douglas D. Tang
Patented Case
View Patent ↗
Granted: Aug 26, 1997
Filed: Jan 27, 1993
Inventor
Douglas D. Tang
Assignee (at issue)
GTE Laboratories Incorporated
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.