Granted Patent
Utility
US 5,510,716 · App. 08/332,647
Differential conductivity recirculation monitor
Inventors:
George W. Buffaloe, IV, Francis T. Ogawa, James M. Brugger
Patented Case
View Patent ↗
Granted: Apr 23, 1996
Filed: Nov 1, 1994
Inventors
George W. Buffaloe, IV
Francis T. Ogawa
James M. Brugger
Assignee (at issue)
Cobe Laboratories, 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.