Granted Patent
Utility
US 4,800,342 · App. 06/925,632
Frequency synthesizer of the fractional type
Inventor:
Thomas Jackson
Patented Case
View Patent ↗
Granted: Jan 24, 1989
Filed: Nov 24, 1986
Inventor
Thomas Jackson
Assignee (at issue)
Plessey Overseas 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.