Granted Patent
Utility
US 4,647,900 · App. 06/766,284
High power thick film resistor
Inventors:
Robert L. Schelhorn, Colleen A. Matier
Patented Case
View Patent ↗
Granted: Mar 3, 1987
Filed: Aug 16, 1985
Inventors
Robert L. Schelhorn
Colleen A. Matier
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.