Granted Patent
Utility
US 4,964,733 · App. 07/386,743
Method of and means for hydrodynamic mixing
Inventors:
Borje Fredriksson, Jeffery L. Chamberlin
Patented Case
View Patent ↗
Granted: Oct 23, 1990
Filed: Jul 27, 1989
Inventors
Borje Fredriksson
Jeffery L. Chamberlin
Assignee (at issue)
Beloit 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.