Granted Patent
Utility
US 6,722,657 · App. 10/159,991
Low torque seal assembly with open cell filter media
Inventors:
Charles R. Hood, Donald G. Wells, Mark N. Gold, Richard Borowski
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: May 31, 2002
Inventors
Charles R. Hood
Donald G. Wells
Mark N. Gold
Richard Borowski
Assignees (at issue)
STEMCO CO., LTD.
THE TIMKEN COMPANY
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.