Granted Patent
Utility
US 5,401,395 · App. 08/059,933
Valve arrangement for a pressurized water purifier
Inventors:
Peter Hagqvist, Per Fonser, Fredrik Dellby
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: May 11, 1993
Inventors
Peter Hagqvist
Per Fonser
Fredrik Dellby
Assignee (at issue)
AB Electrolux
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.