Granted Patent
Utility
US 4,775,643 · App. 07/056,166
Mesa zener diode and method of manufacture thereof
Inventor:
Thomas A. Wetteroth
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: Jun 1, 1987
Inventor
Thomas A. Wetteroth
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.