Granted Patent
Utility
US 4,992,907 · App. 07/351,355
Electrostatic discharge protection system
Inventors:
Robert W. Shreeve, John M. Herrmann
Patented Case
View Patent ↗
Granted: Feb 12, 1991
Filed: May 12, 1989
Inventors
Robert W. Shreeve
John M. Herrmann
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.