Granted Patent
Utility
US 4,386,059 · App. 06/376,094
Zinc hydroxy phosphite complex
Inventors:
William W. Reichert, Charles A. Cody, Carle H. Youngken
Patented Case
View Patent ↗
Granted: May 31, 1983
Filed: May 7, 1982
Inventors
William W. Reichert
Charles A. Cody
Carle H. Youngken
Assignee (at issue)
NL Industries, 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.