Patents by Inventor Matthew D. Chamlin

Matthew D. Chamlin 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).

  • Composite flexible, semi-rigid materials and process for making same
    Patent number: 4064302
    Abstract: Novel flexible, semi-rigid fabricating material comprising a laminate of top and bottom layers of relatively thin synthetic plastic film and a middle layer of semi-rigid sheet material, said top and bottom layers being substantially wider than said middle layer to provide marginal film-to-film areas of sufficient dimensions to form end closures when said laminate is formed into a dimensional container having sides corresponding to the width of said semi-rigid middle layer.
    Type: Grant
    Filed: May 14, 1975
    Date of Patent: December 20, 1977
    Inventors: Edward C. Kozlowski, Matthew D. Chamlin