Granted Patent
Utility
US 4,336,505 · App. 06/168,065
Controlled frequency signal source apparatus including a feedback path for the reduction of phase noise
Inventor:
Donald Meyer
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: Jul 14, 1980
Inventor
Donald Meyer
Assignee (at issue)
John Fluke Mfg. Co., 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.