Granted Patent
Utility
US 4,935,803 · App. 07/242,926
Self-centering electrode for power devices
Inventors:
Martin A. Kalfus, Robert A. Gooch
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Sep 9, 1988
Inventors
Martin A. Kalfus
Robert A. Gooch
Assignee (at issue)
Motorola, 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.