Granted Patent
Utility
US 6,805,328 · App. 10/162,357
Shut-off valve apparatus
Inventors:
Gregory T. Filkovski, Brook W. Pence, Wayne D. Morroney
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Jun 4, 2002
Inventors
Gregory T. Filkovski
Brook W. Pence
Wayne D. Morroney
Assignee (at issue)
Maxon, LLC
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.