Patents by Inventor Charley B. Naig

Charley B. Naig 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: 4893736
    Abstract: A safety grid for center discharge grain boxes includes cross members and longitudinally extending rod members. The grid may be fitted to grain boxes having varying sizes through the use of an adjustable bolt movably connected to the cross members and connected to the box side walls. The cross members may be either tubular or L-shaped in cross section and are interconnected by longitudinally extending rod members.
    Type: Grant
    Filed: May 16, 1988
    Date of Patent: January 16, 1990
    Inventor: Charley B. Naig