Patents by Inventor Jose T. de Castro

Jose T. de Castro 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).

  • Athletic shoe having inflatable bladder
    Patent number: 5113599
    Abstract: An athletic shoe is described, provided with an inflatable tongue or bladder for a more secure fit to the user's foot. The bladder may include a plurality of chambers with a valve disposed therebetween to selectively inflate the chambers. The inflatable tongue or bladder has a lightweight pump disposed thereon.
    Type: Grant
    Filed: September 27, 1990
    Date of Patent: May 19, 1992
    Assignee: Reebok International Ltd.
    Inventors: Eric D. Cohen, Andrew R. Jones, Jose T. de Castro, Paul Litchfield, Steven F. Smith