Granted Patent
Utility
US 5,259,400 · App. 07/818,849
Smokeless ashtray
Inventors:
Robert H. Bruno, Donald N. Jursich
Patented Case
View Patent ↗
Granted: Nov 9, 1993
Filed: Jan 10, 1992
Inventors
Robert H. Bruno
Donald N. Jursich
Assignee (at issue)
Pollenex 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.