Patents by Inventor Willard S. Haynes

Willard S. Haynes 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: 5190021
    Abstract: An improved foot strap used in conjunction with a balloon launcher which provides rollers such as beads on the strap to reduce friction when the strap is released. Retaining beads are also provided to hold the roller or rollers in a central position on the strap.
    Type: Grant
    Filed: August 5, 1991
    Date of Patent: March 2, 1993
    Inventors: Harold L. Hull, Willard S. Haynes
  • Patent number: 5154515
    Abstract: A game apparatus for throwing aerial projectiles such as water balloons, baseballs, etc., into the air, the preferred embodiment being substantially a plastic ring connected to a pouch by multiple elastic thrust bands, with the pouch being held to the ground by a foot strap and the ring being positioned in front of and over the head of the user, whereby, when the foot strap is released, the projectile is hurled through the center of the ring into the air.
    Type: Grant
    Filed: August 18, 1989
    Date of Patent: October 13, 1992
    Inventor: Willard S. Haynes