Patents by Inventor Max Vincent

Max Vincent 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).

  • Harness for the teaching of tennis
    Patent number: 4030732
    Abstract: A tennis practice appliance having an adjustable chest band, held up by a pair of adjustable shoulder braces and a pair of elastic tapes adapted to be fixed to the skirt or trouser belt of the wearer. A ring is fitted to the right or left brace as desired near to the shoulder joint and a rubber spring is connected to the ring and hooked onto the handle of the racquet through a second ring which is placed immediately next to the thumb and the base of the index fingers.
    Type: Grant
    Filed: October 15, 1975
    Date of Patent: June 21, 1977
    Inventor: Max Vincent