Granted Patent
Utility
US 5,315,089 · App. 07/844,052
System and method for converting an AGTAW welder into an AGMAW welder
Inventors:
Travis K. Hughes, Glenn W. Campbell, Charles E. Burgoon, John B. Gossett, Keith R. Spencer
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Mar 2, 1992
Inventors
Travis K. Hughes
Glenn W. Campbell
Charles E. Burgoon
John B. Gossett
Keith R. Spencer
Assignee (at issue)
Westinghouse Electric Company LLC
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.