Patents by Inventor Joergen Keller

Joergen Keller 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).

  • Footwear with specially formed insole
    Patent number: 4188736
    Abstract: The invention is a sole for footwear having an indentation for the ball of the heel and a heel stop under the rear of the arch to prevent the foot from sliding forward in the footwear.
    Type: Grant
    Filed: March 1, 1978
    Date of Patent: February 19, 1980
    Assignee: A/S Jac. Engelbredt
    Inventor: Joergen Keller
  • Shoe
    Patent number: D254938
    Type: Grant
    Filed: September 16, 1977
    Date of Patent: May 13, 1980
    Assignee: A/S JAC. Engelbredt
    Inventor: Joergen Keller