Granted Patent
Utility
US 4,405,413 · App. 06/379,833
Blush-free acid zinc electroplating baths and process
Inventor:
Carol W. Skimin
Patented Case
View Patent ↗
Granted: Sep 20, 1983
Filed: May 20, 1982
Inventor
Carol W. Skimin
Assignee (at issue)
The Harshaw Chemical 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.