Patents by Inventor Prost Christophe

Prost Christophe 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).

  • Multi-purpose key ring
    Publication number: 20030037581
    Abstract: A metallic multi-purpose key ring comprised of a shackle in D-shape having a gap, a cartridge with both ends pivoted to a joint and a stopper respectively provided on both ends of the gap and a can opener provided on top of the shackle to provide effective positioning and latching between said shackle and cartridge.
    Type: Application
    Filed: August 21, 2001
    Publication date: February 27, 2003
    Inventor: Prost Christophe
  • Key ring
    Patent number: D472701
    Type: Grant
    Filed: August 22, 2001
    Date of Patent: April 8, 2003
    Inventor: Prost Christophe