Granted Patent
Utility
US 5,237,606 · App. 07/694,124
Enhanced synchronous rectifier
Inventor:
Mark S. Ziermann
Patented Case
View Patent ↗
Granted: Aug 17, 1993
Filed: May 1, 1991
Inventor
Mark S. Ziermann
Assignee (at issue)
Charles Industries, Ltd.
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.