Granted Patent
Utility
US 4,318,072 · App. 06/072,003
Precision resistor with improved temperature characteristics
Inventor:
Felix Zandman
Patented Case
View Patent ↗
Granted: Mar 2, 1982
Filed: Sep 4, 1979
Inventor
Felix Zandman
Assignee (at issue)
VISHAY INTERTECHNOLOGY, INC.
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.