Granted Patent
Utility
US 5,672,998 · App. 08/512,763
Class D amplifier and method
Inventor:
Harold Allen Wittlinger
Patented Case
View Patent ↗
Granted: Sep 30, 1997
Filed: Aug 9, 1995
Inventor
Harold Allen Wittlinger
Assignee (at issue)
HARRIS CORPORATION
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.