Granted Patent
Utility
US 6,761,752 · App. 10/052,892
Gas particle partitioner
Inventors:
Heinrich Fissan, Frank Jordan, Thomas Kuhlbusch
Patented Case
View Patent ↗
Granted: Jul 13, 2004
Filed: Jan 17, 2002
Inventors
Heinrich Fissan
Frank Jordan
Thomas Kuhlbusch
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.