Granted Patent
Utility
US 4,931,742 · App. 07/326,966
Self-protecting power bus testing system
Inventors:
Karl Karash, Steen Bentzen
Patented Case
View Patent ↗
Granted: Jun 5, 1990
Filed: Mar 22, 1989
Inventors
Karl Karash
Steen Bentzen
Assignee (at issue)
Genrad, 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.