Granted Patent
Utility
US 4,469,723 · App. 06/438,107
Plating control system
Inventor:
Nadeemul Haq
Patented Case
View Patent ↗
Granted: Sep 4, 1984
Filed: Nov 1, 1982
Inventor
Nadeemul Haq
Assignee (at issue)
NATIONAL SEMICONDUCTOR CORPORATION
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.