Granted Patent
Utility
US 4,630,008 · App. 06/717,533
Direct FM crystal-controlled oscillator
Inventor:
Richard Weeks
Patented Case
View Patent ↗
Granted: Dec 16, 1986
Filed: Mar 29, 1985
Inventor
Richard Weeks
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.