Granted Patent
Utility
US 4,977,613 · App. 07/258,747
Fine tuning frequency synthesizer with feedback loop for frequency control systems
Inventors:
Don R. Holcomb, Mark Brown, Lawrence R. Schumacher
Patented Case
View Patent ↗
Granted: Dec 11, 1990
Filed: Oct 17, 1988
Inventors
Don R. Holcomb
Mark Brown
Lawrence R. Schumacher
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.