Patents by Inventor William S. Louden

William S. Louden 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).

  • Flat paper and method of manufacturing involving controlled drying conditions
    Patent number: 4500607
    Abstract: A paper which resists significant distortion in planarity in response to moisture comprises a web which carries a predetermined amount of a polymer-filler blend and which has been dried after application of said blend to a finished moisture level below about 4%, by weight.
    Type: Grant
    Filed: July 28, 1982
    Date of Patent: February 19, 1985
    Assignee: William Gordon Louden
    Inventors: William G. Louden, William S. Louden