Granted Patent
Utility
US 4,596,286 · App. 06/658,723
Rotary processor
Inventor:
Gary W. Stetler
Patented Case
View Patent ↗
Granted: Jun 24, 1986
Filed: Oct 9, 1984
Inventor
Gary W. Stetler
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.