Granted Patent
Utility
US 6,237,628 · App. 09/613,413
Self-centering water drain valve
Inventors:
Paul D. Miller, A. Caner Demirdogen, Dwight S. Suiter
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Jul 10, 2000
Inventors
Paul D. Miller
A. Caner Demirdogen
Dwight S. Suiter
Assignee (at issue)
Fleetguard, 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.