Granted Patent
Utility
US 4,786,378 · App. 07/091,626
Chromium electroplating baths having reduced weight loss of lead and lead alloy anodes
Inventor:
Kenneth R. Newby
Patented Case
View Patent ↗
Granted: Nov 22, 1988
Filed: Sep 1, 1987
Inventor
Kenneth R. Newby
Assignee (at issue)
M&T Chemicals, 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.