Patents by Inventor Francis Denu

Francis Denu 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).

  • Competition swimsuit
    Patent number: 4179754
    Abstract: A competition swimsuit for permitting air or water to escape from the region of the middle of the back of the swimmer. An upper portion of the back of the suit merely overlaps a lower portion of the back of the suit to provide a space through which air or water can escape.
    Type: Grant
    Filed: November 25, 1977
    Date of Patent: December 25, 1979
    Assignee: ADIDAS, Fabrique de Chaussures de Sport
    Inventor: Francis Denu
  • Sole for footwear, especially sports footwear
    Patent number: 4130947
    Abstract: A sole for footwear, especially sports footwear, has a lower layer provided with transverse ribs and an upper shock-absorbing layer. The lower layer may be of natural rubber of Shore hardness from 55 to 60 and the upper layer of lower-density natural or synthetic rubber of Shore hardness about 40.
    Type: Grant
    Filed: July 28, 1977
    Date of Patent: December 26, 1978
    Assignee: Adidas Fabrique de Chaussures de Sport
    Inventor: Francis Denu
  • Shoe sole
    Patent number: D258774
    Type: Grant
    Filed: August 18, 1978
    Date of Patent: April 7, 1981
    Assignee: Adidas Fabrique de Chaussures de Sport
    Inventor: Francis Denu