Granted Patent
Utility
US 5,327,337 · App. 07/937,700
Resonant push-pull switching power amplifier
Inventor:
David W. Cripe
Patented Case
View Patent ↗
Granted: Jul 5, 1994
Filed: Sep 1, 1992
Inventor
David W. Cripe
Assignee (at issue)
Broadcast Electronics, 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.