Granted Patent
Utility
US 6,651,801 · App. 10/205,036
Horizontal to vertical transition device for sortation conveyor system
Inventor:
Mark J. Heckendorf
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Jul 25, 2002
Inventor
Mark J. Heckendorf
Assignee (at issue)
Dorner Mfg. 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.