Granted Patent
Utility
US 5,277,297 · App. 08/056,840
Controllable length conveyor
Inventor:
Sidney S. Tolson
Patented Case
View Patent ↗
Granted: Jan 11, 1994
Filed: May 3, 1993
Inventor
Sidney S. Tolson
Assignees (at issue)
OSSID LLC
Ibaraki Seiki Machinery Company, Ltd.
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.