Patents by Inventor Joh E. Nicholson

Joh E. Nicholson 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).

  • Thermoplastic-rubber wader and method of manufacture
    Patent number: 4858342
    Abstract: A method for making a thermoplastic-rubber wader having a rubber footwear bottom and a thermoplastic upper, the method including the steps of treating an upper circumferential portion of the bottom, applying thermoplastic adhesive to the treated portion, applying a thermoplastic strip to the adhesive coating, applying a thermoplastic band to the upper to provide an interfacing annular seating surface with the thermoplastic strip, heat sealing the strip and band to provide a fluid tight unitary bond between the bottom and the upper and the wader formed by the above method.
    Type: Grant
    Filed: May 27, 1988
    Date of Patent: August 22, 1989
    Assignee: La Crosse Footwear, Inc.
    Inventors: Joh E. Nicholson, Tarachand S. Barma