Granted Patent
Utility
US 4,868,537 · App. 07/095,288
Doped SiO.sub.2 resistor and method of forming same
Inventor:
Richard A. Blanchard
Patented Case
View Patent ↗
Granted: Sep 19, 1989
Filed: Sep 10, 1987
Inventor
Richard A. Blanchard
Assignee (at issue)
SILICONIX INCORPORATED
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.