Patents by Inventor Milton L. Spillers

Milton L. Spillers 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).

  • Board holding device
    Patent number: 4046362
    Abstract: This device is for use in the martial arts such as karate. The device consists primarily of a pair of units with handle grip means and clamp means for rendering a multiple number of wooden boards stationary, so as to be broken simultaneously.
    Type: Grant
    Filed: July 6, 1976
    Date of Patent: September 6, 1977
    Inventor: Milton L. Spillers