Granted Patent
Utility
US 6,761,174 · App. 10/080,801
Cigarette and filter with downstream flavor addition
Inventors:
Richard Jupe, Ronald William Dwyer, Don Earl Laslie, Arlington L. Finley, Barbara Taylor, Cecil M. Smith, Vivian E. Willis
Patented Case
View Patent ↗
Granted: Jul 13, 2004
Filed: Feb 22, 2002
Inventors
Richard Jupe
Ronald William Dwyer
Don Earl Laslie
Arlington L. Finley
Barbara Taylor
Cecil M. Smith
Vivian E. Willis
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.