Granted Patent
Utility
US 6,448,455 · App. 09/935,024
TMP/Vapor pressure filtration
Inventors:
Paul Wagner, Alexander Klausener
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Aug 22, 2001
Inventors
Paul Wagner
Alexander Klausener
Assignee (at issue)
Bayer Aktiengesellschaft
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.