Patents by Inventor Billy E. Boyd

Billy E. Boyd 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: 4858912
    Abstract: A device for toning the biceps, triceps and pectoral muscles utilizes a pair of parallel relatively rotatable disc-like members to maintain the palms of the user in parallel relationship as the arms are rotated about an axis through the disc-like members. The device includes a rotatable handle eccentrically mounted to one of the discs and an adjustable resistance operatively connected to the disc.
    Type: Grant
    Filed: August 22, 1988
    Date of Patent: August 22, 1989
    Inventor: Billy E. Boyd