Granted Patent
Utility
US 4,537,663 · App. 06/402,406
Method of and apparatus for plating using controlled progressive immersion
Inventor:
David MacDonald
Patented Case
View Patent ↗
Granted: Aug 27, 1985
Filed: Jul 27, 1982
Inventor
David MacDonald
Assignee (at issue)
AT&T Technologies Incorporated
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.