Granted Patent
Utility
US 5,361,997 · App. 08/044,145
Discharge assembly for grinding mills
Inventor:
Daniel O. Burkes
Patented Case
View Patent ↗
Granted: Nov 8, 1994
Filed: Apr 7, 1993
Inventor
Daniel O. Burkes
Assignee (at issue)
Industrial Rubber Applicators, Inc.
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.