Granted Patent
Utility
US 5,736,887 · App. 08/590,382
Five volt tolerant protection circuit
Inventor:
John R. Spence
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Jan 25, 1996
Inventor
John R. Spence
Assignee (at issue)
Rockwell International Corporation
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.