Granted Patent
Utility
US 6,332,997 · App. 09/084,771
Method and apparatus for making a one piece battery jar
Inventors:
James S. Hardigg, George Havrilla
Patented Case
View Patent ↗
Granted: Dec 25, 2001
Filed: May 26, 1998
Inventors
James S. Hardigg
George Havrilla
Assignee (at issue)
Hardigg Industries, 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.