Patents Assigned to S.T. DuPont Societe Anonyme
  • Fountain pen
    Patent number: D331259
    Type: Grant
    Filed: February 28, 1990
    Date of Patent: November 24, 1992
    Assignee: S.T. DuPont Societe Anonyme
    Inventor: Xavier Rousseau
  • Ball point pen
    Patent number: D333486
    Type: Grant
    Filed: February 28, 1990
    Date of Patent: February 23, 1993
    Assignee: S.T. DuPont Societe Anonyme
    Inventor: Xavier Rousseau