Patents by Inventor Rene Lacoste

Rene Lacoste 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).

  • Tennis racket
    Patent number: 5306005
    Abstract: A generally oval tennis racket characterized in that its strung surface comprises five zones: a central zone (A) including the geometric center (M) and the center of percussion (P) and having at least three cross strings; and on either side thereof two zones (B and C) each having at least three cross strings whose average length exceeds that of the cross string in the central zone (A). This construction increases the area (sweet spot) over which resilience is substantially uniform.
    Type: Grant
    Filed: April 8, 1993
    Date of Patent: April 26, 1994
    Assignee: La Chemise Lacoste (S.A.)
    Inventors: Rene Lacoste, Alain Gallais
  • Method of molding a golf club head
    Patent number: 5143571
    Abstract: Method for reducing the weight of molded golf club heads without changing their shape. Cavities of appropriate length and volume are created in the molded heads, extending from the rear face towards the front face thereof. Despite the cavities, the heads achieve a good restitution of energy, a good mass distribution, a low level of vibrations, and a good sound.
    Type: Grant
    Filed: October 3, 1991
    Date of Patent: September 1, 1992
    Assignee: Patentex S.A.
    Inventors: Rene Lacoste, Catherine Lacoste de Prado