Granted Patent
Utility
US 5,250,358 · App. 07/939,223
Palladium thick film resistor containing boron nitride
Inventors:
James H. Lombard, Leonard J. Anderson
Patented Case
View Patent ↗
Granted: Oct 5, 1993
Filed: Sep 2, 1992
Inventors
James H. Lombard
Leonard J. Anderson
Assignee (at issue)
Motorola, 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.