Granted Patent
Utility
US 4,910,158 · App. 07/124,231
Zener diode emulation and method of forming the same
Inventor:
Carl L. Anderson
Patented Case
View Patent ↗
Granted: Mar 20, 1990
Filed: Nov 23, 1987
Inventor
Carl L. Anderson
Assignee (at issue)
Hughes Aircraft Company
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.