Patents by Inventor Gradie R. Holder

Gradie R. Holder 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: 3976564
    Abstract: A device for use in conjunction with a metal detector which will allow the user to dig and sift simultaneously with one hand. The device includes a shovel type scoop with a flashlight built into the handle. The scoop is perforated so that it can be used in the manner of a sifter looking for metal particles or other objects. The holder or handle has a ring attachment for conveniently carrying on a belt. Optionally, the holder scoop may be magnetically treated in order to capture small metallic objects which might otherwise fit through the perforations.
    Type: Grant
    Filed: February 27, 1975
    Date of Patent: August 24, 1976
    Inventor: Gradie R. Holder