Patents by Inventor Antonio M. Sousa

Antonio M. Sousa 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).

  • Patent number: 4319412
    Abstract: A shoe of the inflatable type having a midsole supporting member with a number of hollow downwardly extending support posts intercommunicated by channels recessed in the upper surface of the member. The upper surface is covered with a layer of natural rubber, to form enclosed air spaces with the hollows of the posts, and (in cooperation with the channels) conduits providing restricted passageways interconnecting the hollows of the posts. A valve extends from the exterior surface of the heel of the shoe to permit inflation by injection of air into the posts and conduits.
    Type: Grant
    Filed: October 3, 1979
    Date of Patent: March 16, 1982
    Assignee: Pony International, Inc.
    Inventors: Roberto Muller, Antonio M. Sousa
  • Patent number: D272963
    Type: Grant
    Filed: October 3, 1979
    Date of Patent: March 13, 1984
    Inventors: Roberto Muller, Antonio M. Sousa