Granted Patent
Utility
US 4,677,413 · App. 06/673,481
Precision power resistor with very low temperature coefficient of resistance
Inventors:
Felix Zandman, Joseph Szwarc
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: Nov 20, 1984
Inventors
Felix Zandman
Joseph Szwarc
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.