Granted Patent
Utility
US 6,794,931 · App. 10/204,996
Switched amplifier
Inventor:
Peter Kenington
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Oct 21, 2002
Inventor
Peter Kenington
Assignee (at issue)
Andrew LLC
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.