Granted Patent
Utility
US 5,941,281 · App. 09/099,186
Fluid pressure reduction device
Inventors:
Hans D. Baumann, Paul J. Schafbuch, Douglas P. Gethmann, Michael M. Anderson, David John Koester
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Jun 18, 1998
Inventors
Hans D. Baumann
Paul J. Schafbuch
Douglas P. Gethmann
Michael M. Anderson
David John Koester
Assignee (at issue)
Fisher Controls International LLC
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.