Patents by Inventor Lester B. Boelter

Lester B. Boelter 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).

  • Corrugated material
    Patent number: 4286006
    Abstract: A corrugated material suitable for packaging applications is disclosed, in which a sheet of very flexible material having a high resistance to tearing and stretching is bonded to the flutes of a sheet of single faced corrugated board, resulting in a structure which is rollable in the direction of the flexible substrate, and which is substantially rigid when a force is applied to roll it towards the facing of the single faced corrugated board.
    Type: Grant
    Filed: January 26, 1977
    Date of Patent: August 25, 1981
    Assignee: Boelter Industries, Inc.
    Inventor: Lester B. Boelter