Granted Patent
Utility
US 6,745,778 · App. 10/040,072
Device for supplying a flowable medium to the tobacco of a smoking product
Inventors:
Horst Grzonka, Heiko Hertrich
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Oct 23, 2001
Inventors
Horst Grzonka
Heiko Hertrich
Assignee (at issue)
Brown & Williamson Tobacco Corporation
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.