Granted Patent
Utility
US 4,245,210 · App. 06/021,836
Thick film resistor element and method of fabricating
Inventors:
Norman R. Landry, Samuel L. Williams, Robert L. Schelhorn
Patented Case
View Patent ↗
Granted: Jan 13, 1981
Filed: Mar 19, 1979
Inventors
Norman R. Landry
Samuel L. Williams
Robert L. Schelhorn
Assignee (at issue)
RCA Corporation
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.