Granted Patent
Utility
US 6,733,622 · App. 10/113,489
Method and apparatus for ultrasonically stomping slider end stops on zipper
Inventors:
Michael J. McMahon, Lawrence Share, Michael Pollack, Donald Crevier, Nigel Knight, Stanley Piotrowski
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Apr 1, 2002
Inventors
Michael J. McMahon
Lawrence Share
Michael Pollack
Donald Crevier
Nigel Knight
Stanley Piotrowski
Assignee (at issue)
ILLINOIS TOOL WORKS 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.