Granted Patent
Utility
US 5,632,173 · App. 08/443,905
Apparatus and method for cold forming a ring on a lead alloy battery terminal
Inventors:
Bernard N. Spiegelberg, Dennis J. Brown
Patented Case
View Patent ↗
Granted: May 27, 1997
Filed: May 17, 1995
Inventors
Bernard N. Spiegelberg
Dennis J. Brown
Assignee (at issue)
Tulips Corporation
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.