Granted Patent
Utility
US 5,333,804 · App. 08/110,285
Agitator mill
Inventor:
Gregory R. Liebert
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Aug 20, 1993
Inventor
Gregory R. Liebert
Assignee (at issue)
Premier Mill 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.