Granted Patent
Utility
US 6,582,292 · App. 10/014,675
Fume hood with rotatable airfoil
Inventor:
John M. Bastian
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Dec 11, 2001
Inventor
John M. Bastian
Assignee (at issue)
Fisher Hamilton, 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.