Granted Patent
Utility
US 6,683,509 · App. 10/223,869
Voltage controlled oscillators
Inventors:
Richard Albon, David Johnston
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Aug 20, 2002
Inventors
Richard Albon
David Johnston
Assignee (at issue)
Zarlink Semiconductor (US) 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.