Granted Patent
Utility
US 4,902,901 · App. 07/338,872
High-power solid state relay employing photosensitive current augmenting means for faster turn-on time
Inventor:
Joseph Pernyeszi
Patented Case
View Patent ↗
Granted: Feb 20, 1990
Filed: Apr 14, 1989
Inventor
Joseph Pernyeszi
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.