Patents by Inventor Ralph H. Morgan

Ralph H. Morgan 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).

  • Gold mining pan
    Patent number: 4319994
    Abstract: A gold mining pan having riffle-like slits or grooves in the bottom and a device for separating the material contained in the slits or grooves from the remainder of a slurry contained within the pan. The pan may also include a device for removing the material contained within the slits from the pan.
    Type: Grant
    Filed: May 19, 1980
    Date of Patent: March 16, 1982
    Inventor: Ralph H. Morgan