Patents by Inventor Arnold L. Kinne

Arnold L. Kinne 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: 4831901
    Abstract: A hammer having a spring to augment the magnitude of strike force through application of a sliding weight free-moving as a projectile in a hollow shaft inside the hammer head. The hammer gains impact force through the use of a double impact hammer head with the spring propelling a portion of the inner hammer head mass to a greater velocity than the surrounding position of the head.
    Type: Grant
    Filed: May 23, 1988
    Date of Patent: May 23, 1989
    Inventor: Arnold L. Kinne