Granted Patent
Utility
US 5,190,793 · App. 07/818,946
Refractory covercoat for semicondutor devices and methods of making and using the same
Inventors:
Carl W. Berlin, John K. Isenberg
Patented Case
View Patent ↗
Granted: Mar 2, 1993
Filed: Jan 10, 1992
Inventors
Carl W. Berlin
John K. Isenberg
Assignee (at issue)
DELCO ELECTRONICS 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.