Granted Patent
Utility
US 4,374,573 · App. 06/179,993
Apparatus for shredding rubber tires and other waste materials
Inventors:
Michael W. Rouse, Robert L. Thelen
Patented Case
View Patent ↗
Granted: Feb 22, 1983
Filed: Aug 21, 1980
Inventors
Michael W. Rouse
Robert L. Thelen
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.