Patents by Inventor Dante Del Vecchio

Dante Del Vecchio 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).

  • Fountain-pen with double reservoir and plunger for filling the pen by means of suction
    Patent number: 6250832
    Abstract: The fountain-pen comprises a large capacity reserve reservoir (3) for the ink, with a piston type valve (14) that can be operated to fill the pen by suction, and a smaller supply reservoir (10) which is adjacent to the nib (5) and supplies ink to it; the piston type valve (14) is provided in order to hermetically close and open the passage between said reserve reservoir (3) and the supply reservoir (10) so as to transfer ink from said reserve reservoir (3) to said supply reservoir (10) and shut off said supply reservoir (10) from the reserve reservoir (3).
    Type: Grant
    Filed: July 20, 1999
    Date of Patent: June 26, 2001
    Assignee: Visconti S.R.L.
    Inventor: Dante Del Vecchio