Granted Patent
Utility
US 5,635,085 · App. 08/354,395
Apparatus and method for narrow groove welding
Inventor:
Charles E. Burgoon
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Dec 12, 1994
Inventor
Charles E. Burgoon
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.