Granted Patent
Utility
US 4,863,392 · App. 07/254,598
High-voltage loadbreak bushing insert connector
Inventors:
Alan D. Borgstrom, Frank Stepniak, Andrew A. Kominiak
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Oct 7, 1988
Inventors
Alan D. Borgstrom
Frank Stepniak
Andrew A. Kominiak
Assignee (at issue)
ARTERICA 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.