Granted Patent
Utility
US 6,129,087 · App. 09/047,948
Reduced ignition propensity smoking articles
Inventors:
Gary W. Wallace, Zhimin Wu
Patented Case
View Patent ↗
Granted: Oct 10, 2000
Filed: Mar 25, 1998
Inventors
Gary W. Wallace
Zhimin Wu
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.