Granted Patent
Utility
US 4,894,694 · App. 07/146,068
MOSFET structure and method for making same
Inventors:
Kit M. Cham, Paul Vande Voorde
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Jan 20, 1988
Inventors
Kit M. Cham
Paul Vande Voorde
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.