Granted Patent
Utility
US 5,564,464 · App. 08/280,711
Storage tank shut-off valve
Inventors:
David R. Pendleton, James E. Kesterman
Patented Case
View Patent ↗
Granted: Oct 15, 1996
Filed: Jul 25, 1994
Inventors
David R. Pendleton
James E. Kesterman
Assignee (at issue)
Dover Associates, 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.