Patents by Inventor Philippe Hubbard

Philippe Hubbard 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: 7499380
    Abstract: Dial (2) designed to equip a watch piece provided with luminous marks (32) lodged under a mother-of-pearl semi-transparent layer (20) inside blind hollows (35) made in the semi-transparent layer (20) and filled with a phosphorescent pigment (32). The luminous marks (32) form an image (61) visible in darkness and essentially invisible in daylight.
    Type: Grant
    Filed: March 30, 2004
    Date of Patent: March 3, 2009
    Inventors: Christophe Gouthier, Philippe Hubbard
  • Publication number: 20040196742
    Abstract: Dial (2) designed to equip a watch piece provided with luminous marks (32) lodged under a mother-of-pearl semi-transparent layer (20) inside blind hollows (35) made in the semi-transparent layer (20) and filled with a phosphorescent pigment (32). The luminous marks (32) form an image (61) visible in darkness and essentially invisible in daylight.
    Type: Application
    Filed: March 30, 2004
    Publication date: October 7, 2004
    Inventors: Christophe Gouthier, Philippe Hubbard