Granted Patent
Utility
US 6,422,060 · App. 09/659,396
Gas stream conditioning apparatus, system and method for use in measuring particulate matter
Inventors:
Harvey Patashnick, John Hiss, III
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Sep 11, 2000
Inventors
Harvey Patashnick
John Hiss, III
Assignee (at issue)
Rupprecht & Patashnick Company, 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.