Patents by Inventor Lloyd E. Brunkhorst

Lloyd E. Brunkhorst 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).

  • Method of making foamed plastisol insoles for shoes
    Patent number: 4296053
    Abstract: A process for preparing an innersole for footwear by means of molding and curing. The molding and curing is conducted under pressure in a silicone rubber mold by means of electromagnetic radiation. By means of this process, a composite board is fused to a polymeric base to form the innersole.
    Type: Grant
    Filed: May 24, 1979
    Date of Patent: October 20, 1981
    Assignee: Brown Group, Inc.
    Inventors: Daniel M. Doerer, Lloyd E. Brunkhorst