Granted Patent
Utility
US 4,868,482 · App. 07/104,398
CMOS integrated circuit having precision resistor elements
Inventors:
Timothy G. O'Shaughnessy, Michael R. Spaur, Kenneth W. Ouyang
Patented Case
View Patent ↗
Granted: Sep 19, 1989
Filed: Oct 5, 1987
Inventors
Timothy G. O'Shaughnessy
Michael R. Spaur
Kenneth W. Ouyang
Assignee (at issue)
Western Digital
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.