Granted Patent
Utility
US 4,482,253 · App. 06/479,290
Rotary material processor
Inventors:
Robert A. Golobic, Lawrence J. Prosper
Patented Case
View Patent ↗
Granted: Nov 13, 1984
Filed: Mar 28, 1983
Inventors
Robert A. Golobic
Lawrence J. Prosper
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.