Patents by Inventor Jose Navarro-Ramil

Jose Navarro-Ramil 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: 4729685
    Abstract: In a writing instrument with a pressure mechanism for the movement of a writing element (4, 5, 6, 11, 12, 13) against spring pressure from a retracted position of rest into an advanced writing position, in which retention by means of a retention element (18, 19, 20) takes place, the retention element (18, 19, 20) has a cup section (18) open towards the rear. In this cup section is a ball (23) of magnetizable material which is axially freely movable back and forth in the cup section. Adjacent to the opening of the cup section (18) is a permanent magnet (16), the front face of which forms a concave contact surface (17), disposed coaxially to the writing element (4, 5, 6, 11, 12, 13) for the placement of the ball (23).
    Type: Grant
    Filed: July 24, 1987
    Date of Patent: March 8, 1988
    Assignee: Koh-I-Noor Rapidograph, Inc.
    Inventors: Bernhard Bruhn, Jose Navarro-Ramil, Reiner Segebarth
  • Patent number: D425120
    Type: Grant
    Filed: June 28, 1999
    Date of Patent: May 16, 2000
    Assignee: Sanford roting Holding GmbH
    Inventor: Jose Navarro Ramil