Patents by Inventor Rolion Franck

Rolion Franck 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).

  • Mechanical pencil comprising a retractable lead guide
    Publication number: 20070172299
    Abstract: A mechanical pencil that includes a body extending longitudinally along an axis X between a forward writing end and a rear end, and an endpiece situated at the forward end and a lead guide that can be retracted into the endpiece that includes a conduit for the passage of a lead. The mechanical pencil also includes a lead brake made of an elastically deformable material connected to the lead guide.
    Type: Application
    Filed: February 22, 2005
    Publication date: July 26, 2007
    Inventors: Rolion Franck, Duchesne Frederic, Jeanne-Antide Bouveresse