Granted Patent
Utility
US 5,115,369 · App. 07/637,719
Avalanche stress protected semiconductor device having variable input impedance
Inventors:
Stephen P. Robb, John P. Phipps, Michael D. Gadberry
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Jan 7, 1991
Inventors
Stephen P. Robb
John P. Phipps
Michael D. Gadberry
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.