Granted Patent
Utility
US 6,585,002 · App. 10/035,260
Pressure regulator valve
Inventor:
Maura J. Stafford
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Jan 3, 2002
Inventor
Maura J. Stafford
Assignee (at issue)
Sonnax Industries, 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.