Granted Patent
Utility
US 6,722,507 · App. 10/102,027
Valve for fluid filter
Inventor:
Steven Cline
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Mar 20, 2002
Inventor
Steven Cline
Assignee (at issue)
Arvin Technologies, Inc.
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.