Granted Patent
Utility
US 5,789,258 · App. 07/712,581
Method for generating vapor streams
Inventors:
Arbor D. Drinkwine, Brian R. Cage
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Jun 10, 1991
Inventors
Arbor D. Drinkwine
Brian R. Cage
Assignee (at issue)
Midwest Research Institute, 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.