Patents by Inventor Walter A. McKean

Walter A. McKean has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Copper foil hypochlorite treatment method and product produced
    Patent number: 4203809
    Abstract: A process for improving the surface characteristics of copper foil involving the treatment of such foil with an aqueous alkali metal hypochlorite solution. Copper foil produced thereby.
    Type: Grant
    Filed: March 4, 1975
    Date of Patent: May 20, 1980
    Inventor: Walter A. McKean