Granted Patent
Utility
US 6,502,450 · App. 09/566,518
Single detector differential particulate mass monitor with intrinsic correction for volatilization losses
Inventors:
Harvey Patashnick, Georg Rupprecht
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: May 8, 2000
Inventors
Harvey Patashnick
Georg Rupprecht
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.