Granted Patent
Utility
US 4,276,236 · App. 06/117,827
Apparatus for inducing air flow past a product capable of being vaporized
Inventors:
William E. Sullivan, Murray O. Meetze, Jr.
Patented Case
View Patent ↗
Granted: Jun 30, 1981
Filed: Feb 4, 1980
Inventors
William E. Sullivan
Murray O. Meetze, Jr.
Assignee (at issue)
Risdon Enterprises, 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.