Granted Patent
Utility
US 4,980,655 · App. 07/517,765
D type flip-flop oscillator
Inventor:
Joseph Whitehead
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: May 2, 1990
Inventor
Joseph Whitehead
Assignee (at issue)
Reliance Com/Tec Corporation
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.