Longitudinal Striation Patents (Class D19/49)
  • Pen
    Patent number: D242792
    Type: Grant
    Filed: July 15, 1974
    Date of Patent: December 21, 1976
    Inventor: Barry Noel Loftus
  • Fountain pen
    Patent number: D242855
    Type: Grant
    Filed: June 7, 1974
    Date of Patent: December 28, 1976
    Assignee: S.T. Dupont
    Inventor: Michel Grinberg
  • Pen
    Patent number: D244529
    Type: Grant
    Filed: March 21, 1975
    Date of Patent: May 31, 1977
    Assignee: Waterman S.A.
    Inventor: Francine Gomez
  • Pen
    Patent number: D246723
    Type: Grant
    Filed: October 9, 1975
    Date of Patent: December 20, 1977
    Assignee: Waterman S.A.
    Inventor: Alain Carre
  • Fountain pen
    Patent number: D247501
    Type: Grant
    Filed: June 3, 1976
    Date of Patent: March 14, 1978
    Assignee: S.T. Dupont
    Inventor: Jean Gaston Malamoud
  • Combined mechanical pencil and pointer
    Patent number: D248862
    Type: Grant
    Filed: June 9, 1976
    Date of Patent: August 8, 1978
    Inventor: Naoyoshi Miyamoto
  • Combined ball point pen and pointer
    Patent number: D248863
    Type: Grant
    Filed: June 9, 1976
    Date of Patent: August 8, 1978
    Inventor: Naoyoshi Miyamoto