Granted Patent
Utility
US 4,684,071 · App. 06/789,426
Unitized machine for shredding waste automotive vehicle tires
Inventor:
John Dicky
Patented Case
View Patent ↗
Granted: Aug 4, 1987
Filed: Oct 21, 1985
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.