Granted Patent
Utility
US 6,401,586 · App. 09/364,886
Tax stamp perforator and notcher
Inventor:
John Philip Wood
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Aug 2, 1999
Inventor
John Philip Wood
Assignee (at issue)
Philip Morris 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.