Granted Patent
Utility
US 4,260,490 · App. 06/093,039
Biomonitor to safeguard water purification process from toxicants
Inventors:
Jack R. Moss, John W. Sugar, Ronald A. Riemer, Charles E. Frick, Ronald D. Dillon
Patented Case
View Patent ↗
Granted: Apr 7, 1981
Filed: Nov 9, 1979
Inventors
Jack R. Moss
John W. Sugar
Ronald A. Riemer
Charles E. Frick
Ronald D. Dillon
Assignee (at issue)
Union Carbide 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.