Patents by Inventor Alvan H. Wolf

Alvan H. Wolf 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: 4295655
    Abstract: Rolling skating shoe with injection molded sole in which receptacles are provided that support the wheel hangers and wheels. The sole shown has a structural beam "T" profile, the flange of which supports the foot and the lower rib of which has an irregular lower edge forming a series of apertured angled bosses to receive the wheel hanger structure. Receptacles in the form of embedded threaded connectors enable bolting of the wheel hangers directly to the injected sole. The method for forming this shoe includes placing the threaded connectors into the mold and then injection molding the sole of semi-rigid plastic directly against a string lasted upper held in place by a last.
    Type: Grant
    Filed: July 18, 1979
    Date of Patent: October 20, 1981
    Assignee: Brookfield Athletic Shoe Company, Inc.
    Inventors: David L. Landay, Alvan H. Wolf
  • Patent number: 4245406
    Abstract: A shoe and its method of manufacture in which an upper and preformed rubber outsole are joined by a foamed polyurethane, injection-molded midsole. The rubber outsole and polyurethane foam midsole combine to provide a lightweight and flexible shoe compressively conformable to the flexing foot and having strong traction and long wear.
    Type: Grant
    Filed: May 3, 1979
    Date of Patent: January 20, 1981
    Assignee: Brookfield Athletic Shoe Company, Inc.
    Inventors: David L. Landay, Alvan H. Wolf
  • Patent number: D261542
    Type: Grant
    Filed: July 18, 1979
    Date of Patent: October 27, 1981
    Assignee: Brookfield Athletic Shoe Company, Inc.
    Inventors: David L. Landay, Alvan H. Wolf