Granted Patent
Utility
US 4,774,452 · App. 07/055,545
Zener referenced voltage circuit
Inventor:
Syed M. Ahmed
Patented Case
View Patent ↗
Granted: Sep 27, 1988
Filed: May 29, 1987
Inventor
Syed M. Ahmed
Assignee (at issue)
GE 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.