Granted Patent
Utility
US 5,272,806 · App. 07/670,963
Machine for injection molding and stacking indexing caps for clothes hangers
Inventors:
David J. Marshall, Stanley F. Gouldson, John Mazza, Olaf Olk, Robert Maiorca
Patented Case
View Patent ↗
Granted: Dec 28, 1993
Filed: May 2, 1991
Inventors
David J. Marshall
Stanley F. Gouldson
John Mazza
Olaf Olk
Robert Maiorca
Assignee (at issue)
Plasti-form Enterprises, 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.