Granted Patent
Utility
US 6,067,995 · App. 09/198,673
Coaxial cigarette having cross stream barrier
Inventors:
Werner Schneider, Thomas Jung, Erwin Kausch, Bernd Spallek, Gerald Schmekel
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Nov 23, 1998
Inventors
Werner Schneider
Thomas Jung
Erwin Kausch
Bernd Spallek
Gerald Schmekel
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.