Granted Patent
Utility
US 4,939,375 · App. 07/366,090
Solid state relay with shield means
Inventors:
Michael D. Walters, Joseph Pernyeszi, John F. Petrilla
Patented Case
View Patent ↗
Granted: Jul 3, 1990
Filed: Jun 13, 1989
Inventors
Michael D. Walters
Joseph Pernyeszi
John F. Petrilla
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.