Granted Patent
Utility
US 6,175,094 · App. 09/392,596
Stud welding gun
Inventor:
William C. Easterday
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Sep 9, 1999
Inventor
William C. Easterday
Assignee (at issue)
NELSON STUD WELDING, 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.