Granted Patent
Utility
US 5,764,111 · App. 08/801,444
Voltage controlled ring oscillator frequency multiplier
Inventor:
Michael L. Bushman
Patented Case
View Patent ↗
Granted: Jun 9, 1998
Filed: Feb 18, 1997
Inventor
Michael L. Bushman
Assignee (at issue)
Motorola, 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.