Granted Patent
Utility
US 4,667,170 · App. 06/780,553
Voltage controlled oscillator with self-adjustment of operating point
Inventors:
Karl M. J. Lofgren, Gerald W. Shearer, Charles Frank
Patented Case
View Patent ↗
Granted: May 19, 1987
Filed: Sep 26, 1985
Inventors
Karl M. J. Lofgren
Gerald W. Shearer
Charles Frank
Assignee (at issue)
Western Digital
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.