Granted Patent
Utility
US 5,743,251 · App. 08/648,253
Aerosol and a method and apparatus for generating an aerosol
Inventors:
Tony Howell, William R. Sweeney
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: May 15, 1996
Inventors
Tony Howell
William R. Sweeney
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.