Granted Patent
Utility
US 4,883,293 · App. 07/249,730
Clamp connector
Inventor:
John E. Lawson
Patented Case
View Patent ↗
Granted: Nov 28, 1989
Filed: Sep 27, 1988
Inventor
John E. Lawson
Assignee (at issue)
Cameron Iron Works USA, 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.