Patents by Inventor Grace Shafir

Grace Shafir 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).

  • Process for reclaiming scraps of crayon
    Patent number: 5346656
    Abstract: A new crayon is made by loading a charge of crayon scraps into a non-metallic cylindrical mold that is coated internally with a vegetable oil release agent.
    Type: Grant
    Filed: April 30, 1993
    Date of Patent: September 13, 1994
    Inventor: Grace Shafir