Granted Patent
Utility
US 5,739,413 · App. 08/701,965
Forced dilution system and method for emissions measurement systems
Inventors:
Bruce R. Kohn, Donald W. Bilsbarrow, Pradeep R. Tripathi
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Aug 23, 1996
Inventors
Bruce R. Kohn
Donald W. Bilsbarrow
Pradeep R. Tripathi
Assignee (at issue)
Envirotest Systems Holdings Corp.
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.