Patents by Inventor Marcel E. A. O'Donnal

Marcel E. A. O'Donnal 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: D256434
    Type: Grant
    Filed: May 10, 1978
    Date of Patent: August 19, 1980
    Inventor: Marcel E. A. O'Donnal
  • Patent number: D260602
    Type: Grant
    Filed: June 29, 1978
    Date of Patent: September 8, 1981
    Assignee: Plasticos Panamericanos, S.A. DE C.V.
    Inventor: Marcel E. A. O'Donnal
  • Patent number: D260603
    Type: Grant
    Filed: August 22, 1978
    Date of Patent: September 8, 1981
    Assignee: Plasticos Panamericanos, S.A. DE C.V.
    Inventor: Marcel E. A. O'Donnal