Patents Assigned to Tensai Group Corporation
  • Patent number: 5503296
    Abstract: The present invention relates to a self springing straw-equipped liquid drink container having a built-in straw in the shape of a spring that extends the straw when opened and retracts when the lid is closed pushing the straw into the container.
    Type: Grant
    Filed: July 21, 1994
    Date of Patent: April 2, 1996
    Assignee: Tensai Group Corporation
    Inventor: Anthony DiBaggio