Patents by Inventor Robert E. Gillham, Sr.

Robert E. Gillham, Sr. 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: 4136447
    Abstract: A frankfurter coring apparatus for coring the center out of a frankfurter is provided with a handle connected to an annular cutting blade and to a straight edge cutting blade. A pair of frankfurter guides guide a frankfurter to the annular cutting blade centered thereon, while the straight edge cutting blade cuts an incision through the frankfurter to the annular cutting blade. The frankfurter core and cored frankfurter are guided on both sides of the blades.
    Type: Grant
    Filed: January 19, 1978
    Date of Patent: January 30, 1979
    Inventor: Robert E. Gillham, Sr.