Granted Patent
Utility
US 5,334,089 · App. 07/947,783
Fume hood with adjustable baffle assembly
Inventors:
Marshall K. Beck, John M. Bastian
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Sep 18, 1992
Inventors
Marshall K. Beck
John M. Bastian
Assignee (at issue)
Fisher Hamilton Scientific 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.