Patents by Inventor John T. Michaud

John T. Michaud 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: 4742934
    Abstract: A substantially spill proof container for foodstuffs and the like and particularly for comestibles of the liquid or semi-liquid variety wherein the container lid is provided with an improved anti-spillage interior wall which operates in conjunction with an improved snap locking of the lid to the container tray only at spaced points along the lid's periphery to inhibit spillage of the container's contents during lid closure and opening and without interfering with any such opening.
    Type: Grant
    Filed: July 1, 1986
    Date of Patent: May 10, 1988
    Assignee: Packaging Corporation of America
    Inventors: John T. Michaud, Harvey Hum
  • Patent number: D276216
    Type: Grant
    Filed: December 18, 1981
    Date of Patent: November 6, 1984
    Assignee: Kaiser Aluminum & Chemical Corporation
    Inventor: John T. Michaud
  • Patent number: D305409
    Type: Grant
    Filed: August 26, 1986
    Date of Patent: January 9, 1990
    Assignee: Packaging Corporation of America
    Inventors: John T. Michaud, Harvey Hum