Granted Patent
Utility
US 6,799,944 · App. 10/372,178
Rotary pump for pumping fluids, mainly sewage water
Inventor:
Patrik Andersson
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Feb 25, 2003
Inventor
Patrik Andersson
Assignee (at issue)
ITT MANUFACTURING ENTERPRISES 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.