Granted Patent
Utility
US 4,753,740 · App. 06/642,538
Antiflocculating agents for metal halide solutions
Inventors:
Everett M. Marlett, Warren B. Kirsch, Bonnie G. McKinnie
Patented Case
View Patent ↗
Granted: Jun 28, 1988
Filed: Aug 20, 1984
Inventors
Everett M. Marlett
Warren B. Kirsch
Bonnie G. McKinnie
Assignee (at issue)
Ethyl 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.