Patents by Inventor Richard V. Soderberg

Richard V. Soderberg 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).

  • Glue bond tester
    Patent number: 4080825
    Abstract: Apparatus to test the strength of a glue bond joint connecting two sheets of paperboard or similar sheet-like material. The apparatus automatically produces the bond, duplicating the production process, and then forces the sheets apart by moving the sheets around a bar and measuring deflection of the assembly to which the bar is attached.
    Type: Grant
    Filed: November 22, 1976
    Date of Patent: March 28, 1978
    Assignee: Champion International Corporation
    Inventors: Allan L. Liebrenz, Verne D. O'Keefe, Richard V. Soderberg