Granted Patent
Utility
US 6,569,007 · App. 10/013,392
Fume hood with air chamber and pressure pipe
Inventors:
John M. Bastian, Thomas A. Grall, Anthony Castelli, Tony J. Kopidlansky
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Dec 11, 2001
Inventors
John M. Bastian
Thomas A. Grall
Anthony Castelli
Tony J. Kopidlansky
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.