Granted Patent
Utility
US 6,468,411 · App. 09/903,207
Brightener for zinc-nickel plating bath and method of electroplating
Inventors:
William E. Eckles, Becki A. Zinni-Kettering, Robert E. Frischauf
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Jul 11, 2001
Inventors
William E. Eckles
Becki A. Zinni-Kettering
Robert E. Frischauf
Assignee (at issue)
Taskem, 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.