Granted Patent
Utility
US 4,435,254 · App. 06/272,850
Bright nickel electroplating
Inventor:
Kenneth W. Lemke
Patented Case
View Patent ↗
Granted: Mar 6, 1984
Filed: Jun 12, 1981
Inventor
Kenneth W. Lemke
Assignee (at issue)
M&T Chemicals, Inc.
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.