Granted Patent
Utility
US 4,854,508 · App. 07/254,218
Tire shredding machine
Inventor:
John Dicky
Patented Case
View Patent ↗
Granted: Aug 8, 1989
Filed: Oct 6, 1988
Inventor
John Dicky
Assignee (at issue)
Columbus McKinnon Corporation
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.