Granted Patent
Utility
US 4,518,929 · App. 06/404,474
Frequency synthesizer having overtone crystal oscillator
Inventor:
David P. Owen
Patented Case
View Patent ↗
Granted: May 21, 1985
Filed: Aug 2, 1982
Inventor
David P. Owen
Assignee (at issue)
Marconi Instruments Limited
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.