Granted Patent
Utility
US 5,358,097 · App. 08/026,856
Accumulation conveyor with retractable sensor
Inventors:
Douglas J. Bakkila, Samuel J. DeMan, David Cotter, Bernard H. Woltjer, Arthur J. Terpstra, Jr.
Patented Case
View Patent ↗
Granted: Oct 25, 1994
Filed: Mar 5, 1993
Inventors
Douglas J. Bakkila
Samuel J. DeMan
David Cotter
Bernard H. Woltjer
Arthur J. Terpstra, Jr.
Assignee (at issue)
Rapistan Demag Corp.
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.