IP Library › Granted Patent US 5,324,344
Granted Patent Utility
US 5,324,344 · App. 08/041,004

System for and method to verify proper operation of a particulate emission detector

Inventors: David Broyan, Robert T. Lewis
Patented Case View Patent ↗
Granted: Jun 28, 1994 Filed: Mar 31, 1993
Inventors
David Broyan
Robert T. Lewis
Assignee (at issue)
Brown & Williamson Tobacco Corporation

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Quick Facts
Patent No.
US 5,324,344
App. No.
08/041,004
Filed
1993-03-31
Granted
1994-06-28
Kind
A