Granted Patent
Utility
US 5,431,959 · App. 08/296,697
Process for the activation of nickel - phosphorous surfaces
Inventors:
Donna M. Kologe, Cynthia Retallick, Jon Bengston
Patented Case
View Patent ↗
Granted: Jul 11, 1995
Filed: Aug 26, 1994
Inventors
Donna M. Kologe
Cynthia Retallick
Jon Bengston
Assignee (at issue)
MacDermid, 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.