Granted Patent
Utility
US 6,823,872 · App. 10/037,315
Smoking article with reduced carbon monoxide delivery
Inventor:
Vladimir Hampl, Jr.
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Oct 22, 2001
Inventor
Vladimir Hampl, Jr.
Assignee (at issue)
Schweitzer Mauduit International, 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.