Granted Patent
Utility
US 4,339,031 · App. 06/080,760
Monorail suspended conveyor system
Inventor:
Neal W. Densmore
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Oct 1, 1979
Inventor
Neal W. Densmore
Assignee (at issue)
Joy Manufacturing Company
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.