Granted Patent
Utility
US 6,723,944 · App. 10/298,818
Pinch weld gun
Inventor:
Jeffrey R. Angel
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Nov 18, 2002
Inventor
Jeffrey R. Angel
Assignee (at issue)
PROGRESSIVE TOOL & INDUSTRIES, CO.
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.