Patents by Inventor Bret A. Rungren

Bret A. Rungren 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).

  • Opening device for plastic packages
    Patent number: 5666731
    Abstract: A hand held device for cutting through shrink-wrapped packaging surrounding a package such as a compact disc case, which will allow the user to more easily remove the compact disc case from the packaging. The hand held device includes a cutting blade sized to cut through shrink-wrapped packaging of a predetermined thickness, and a holder for guiding its movement.
    Type: Grant
    Filed: May 23, 1996
    Date of Patent: September 16, 1997
    Assignee: Mike B. Lynch
    Inventor: Bret A. Rungren