Granted Patent
Utility
US 5,237,291 · App. 07/899,480
Microwave frequency synthesizer having selectable oscillator sources and output power control
Inventors:
George Hjipieris, Guy Purchon, Alan M. Elston, Garry Thorp
Patented Case
View Patent ↗
Granted: Aug 17, 1993
Filed: Jun 16, 1992
Inventors
George Hjipieris
Guy Purchon
Alan M. Elston
Garry Thorp
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.