Granted Patent
Utility
US 6,359,249 · App. 09/321,931
No wat welding system
Inventors:
Ronald C. Brown, Steven D. Tracey, Joseph L. Miller
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: May 28, 1999
Inventors
Ronald C. Brown
Steven D. Tracey
Joseph L. Miller
Assignee (at issue)
DCT CO., LTD.
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.