Granted Patent
Utility
US 6,663,335 · App. 09/829,754
Pull sheet for unloading loads from a container
Inventors:
Robert Benson, John A. Gentle, Robert J. Jeffries
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Apr 10, 2001
Inventors
Robert Benson
John A. Gentle
Robert J. Jeffries
Assignee (at issue)
Owens-Corning Fiberglas Technology, 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.