Granted Patent
Utility
US 5,542,438 · App. 08/230,645
Smokeless ashtray system
Inventors:
Terry Adams, Neil Ambrosio, William E. Bratton, William Forsythe, Bruce Hatton, Larry L. Kinder, William A. Swat
Patented Case
View Patent ↗
Granted: Aug 6, 1996
Filed: Apr 21, 1994
Inventors
Terry Adams
Neil Ambrosio
William E. Bratton
William Forsythe
Bruce Hatton
Larry L. Kinder
William A. Swat
Assignee (at issue)
Progressive Games Partners LLC
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.