Granted Patent
Utility
US 6,225,596 · App. 08/618,968
Portable welding unit
Inventors:
Thomas D. Chandler, John C. West
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Mar 20, 1996
Inventors
Thomas D. Chandler
John C. West
Assignee (at issue)
Scepter Manufacturing, LLC.
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.