Granted Patent
Utility
US 5,268,657 · App. 07/911,423
High performance oscillator circuit with minimum frequency pulling at power on
Inventors:
Vaughn H. Estrick, John P. Safford
Patented Case
View Patent ↗
Granted: Dec 7, 1993
Filed: Jul 10, 1992
Inventors
Vaughn H. Estrick
John P. Safford
Assignee (at issue)
Hughes Aircraft Company
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.