Granted Patent
Utility
US 5,491,321 · App. 08/002,613
Welding gun assembly
Inventors:
Kyle Stuart, Dale R. Bervig
Patented Case
View Patent ↗
Granted: Feb 13, 1996
Filed: Jan 11, 1993
Inventors
Kyle Stuart
Dale R. Bervig
Assignee (at issue)
Tweco Products, 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.