Granted Patent
Utility
US 5,152,469 · App. 07/723,743
Machine for shredding rubber tires and other solid waste material
Inventor:
John Dicky
Patented Case
View Patent ↗
Granted: Oct 6, 1992
Filed: Jul 1, 1991
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.