Patents by Inventor Georges Dupre

Georges Dupre 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).

  • Pen and integral capillary store
    Patent number: 4269526
    Abstract: A writing pen comprises a capillary store for storing and delivering writing liquid and a writing point connected to the store. The writing point and the store consist of the same material and form a single unit which has a stable shape at least in relation to the forces occurring during writing. The strength of the material in the store section being substantially equal to or greater than that in the writing point section.
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: May 26, 1981
    Assignee: Baumgartner Papier S.A.
    Inventor: Georges Dupre