Granted Patent
Utility
US 5,866,201 · App. 08/650,871
Solid/liquid rotational mixing system
Inventor:
David Blue
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: May 20, 1996
Inventor
David Blue
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.