Granted Patent
Utility
US 4,490,230 · App. 06/474,061
Electroplating apparatus
Inventor:
Ivan M. Fletcher
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Mar 10, 1983
Inventor
Ivan M. Fletcher
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.