Patents by Inventor Edgar L. Hamm, Jr.

Edgar L. Hamm, Jr. 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: D257904
    Type: Grant
    Filed: June 19, 1978
    Date of Patent: January 13, 1981
    Inventor: Edgar L. Hamm, Jr.