Patents Assigned to Caran D'Ache SA
  • Lighter
    Patent number: D259894
    Type: Grant
    Filed: March 17, 1978
    Date of Patent: July 14, 1981
    Assignee: Caran D'Ache SA
    Inventors: Jean-Michel Collaud, Albert Girella, Maurice Herren, Niklaus Muller, Roger Piola