Patents by Inventor Atsuyoshi Shiina

Atsuyoshi Shiina 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).

  • Stretchable shoe
    Patent number: 3997985
    Abstract: A stretchable shoe comprising a front member and a rear member may be adjusted in length. The front member and the rear member are separable and inter-connected by a screw which passes through one hole of the front member and one of a plurality of holes of the rear member. The front member is composed of an upper, an insole, a middle plate and a bottom plate, and the rear member is composed of a sole, an upper and a heel. The stretchable shoe is especially available for a growing child.
    Type: Grant
    Filed: August 22, 1975
    Date of Patent: December 21, 1976
    Inventor: Atsuyoshi Shiina