Granted Patent
Utility
US 6,596,959 · App. 09/813,726
Method of manufacturing a welding stud
Inventors:
Kay Sichtermann, Klaus Jost
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Mar 21, 2001
Inventors
Kay Sichtermann
Klaus Jost
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.