Granted Patent
Utility
US 5,662,820 · App. 08/614,300
Welding process for drawn ARC stud welding
Inventors:
Bernd Schwiete, Ulrich Citrich, Madsak Jurgen
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Mar 12, 1996
Inventors
Bernd Schwiete
Ulrich Citrich
Madsak Jurgen
Assignee (at issue)
TRW Limited
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.