Granted Patent
Utility
US 4,072,582 · App. 05/754,177
Aqueous acid plating bath and additives for producing bright electrodeposits of tin
Inventor:
William Rosenberg
Patented Case
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Granted: Feb 7, 1978
Filed: Dec 27, 1976
Inventor
William Rosenberg
Assignee (at issue)
Columbian Chemicals Company
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.