Granted Patent
Utility
US 5,161,183 · App. 07/410,439
Overvoltage protection circuits
Inventor:
Michael J. Maytum
Patented Case
View Patent ↗
Granted: Nov 3, 1992
Filed: Sep 21, 1989
Inventor
Michael J. Maytum
Assignee (at issue)
Texas Instruments Incorporated
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.