Granted Patent
Utility
US 5,904,172 · App. 08/901,144
Valve enclosure assembly
Inventors:
James Gifft, Paul James Mahoney
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: Jul 28, 1997
Inventors
James Gifft
Paul James Mahoney
Assignee (at issue)
Select Comfort Corporation
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.