Granted Patent
Utility
US 6,789,453 · App. 10/150,656
Fine-tunable paper stop for paper punching machine
Inventor:
Marvin E. Whiteman, Jr.
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: May 16, 2002
Inventor
Marvin E. Whiteman, Jr.
Assignee (at issue)
Performance Design, 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.