Granted Patent
Utility
US 5,971,133 · App. 08/853,340
Conveyor assembly incorporating a pop-up swivel wheel diverter
Inventor:
John J. Wilkins
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: May 8, 1997
Inventor
John J. Wilkins
Assignee (at issue)
HK Systems, 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.