Patents by Inventor D. Juan Nogueras Dardina

D. Juan Nogueras Dardina 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).

  • Lightweight laminated paperboard
    Patent number: 4931346
    Abstract: This invention relates to a novel laminated paperboard and, more particularly, to a novel laminated paperboard with a center ply having alternating grooves and ridges, which has characteristics of strength and rigidity equivalent to solid laminated paperboard, but is 30% to 45% lighter in weight.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: June 5, 1990
    Assignee: Book Covers Inc.
    Inventor: D. Juan Nogueras Dardina