Granted Patent
Utility
US 6,462,963 · App. 10/076,008
Zero voltage switching power conversion circuits
Inventor:
Ernest Henry Wittenbreder, Jr.
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Feb 12, 2002
Inventor
Ernest Henry Wittenbreder, Jr.
Assignee (at issue)
Technical Witts, 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.