Patents by Inventor Antonino Ammendolea

Antonino Ammendolea 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: 4747219
    Abstract: A sole for shoes is provided which provides a resilient, shock-absorbing and gradual impact of the foot with the ground. The insoles on the surface facing the foot, has a plurality of parallel, mobile blocks, supported by springs, preferably spiral springs, of different stiffness, preferably in the ratio 9-4-5 corresponding respectively to the heel, the plantar arch and the metatarsus areas, located within cavities made in the rigid or semi-rigid sole. The outsole, which is connected to the insole by glueing or molding and which faces the ground, is made of an elastomeric material and has three protrusions connected transversely and arranged the first beneath the joints, the second under the metatarsus and the third under the heel respectively. The insole group containing cavities, springs and blocks is kept in position by an annular welt fixed to the sole by screws. Any type of vamp, especially the open type suitable for sandals, may be used with the sole.
    Type: Grant
    Filed: March 20, 1987
    Date of Patent: May 31, 1988
    Inventor: Antonino Ammendolea