Patents by Inventor Gunter Bitsch

Gunter Bitsch 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).

  • Shoe insert
    Patent number: 4464850
    Abstract: A shoe insert of a cross-linked polyolefin body foamed with closed pores or cells and having a fiber layer arranged on one or both surfaces, the fiber layer consisting of fibers and/or filaments which are distributed over the surfaces in a pattern and which at least partially penetrate the polyolefin body.
    Type: Grant
    Filed: July 8, 1982
    Date of Patent: August 14, 1984
    Assignee: Firma Carl Freudenberg
    Inventors: Heinrich Ebert, Manfred Noe, Kurt Wind, Gunter Bitsch