Patents by Inventor Guy Vrignaud

Guy Vrignaud 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: D243491
    Type: Grant
    Filed: June 21, 1974
    Date of Patent: March 1, 1977
    Assignee: Allibert Exploitation Societe Anonyme
    Inventor: Guy Vrignaud
  • Patent number: D244660
    Type: Grant
    Filed: August 18, 1975
    Date of Patent: June 14, 1977
    Assignee: Allibert Exploitation, Societe Anonyme
    Inventor: Guy Vrignaud
  • Patent number: D267606
    Type: Grant
    Filed: February 4, 1981
    Date of Patent: January 18, 1983
    Assignee: Allibert S.A. Societe Anonyme
    Inventor: Guy Vrignaud
  • Patent number: D267685
    Type: Grant
    Filed: February 4, 1981
    Date of Patent: January 25, 1983
    Assignee: Allibert S.A.
    Inventor: Guy Vrignaud
  • Patent number: D267760
    Type: Grant
    Filed: February 4, 1981
    Date of Patent: February 1, 1983
    Assignee: Allibert S.A.
    Inventor: Guy Vrignaud
  • Patent number: D271241
    Type: Grant
    Filed: February 4, 1981
    Date of Patent: November 1, 1983
    Assignee: Allibert S.A.
    Inventor: Guy Vrignaud