Patents by Inventor Ludwig Tritsch

Ludwig Tritsch 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).

  • Disposable diaper with a tape closure system having a double-folded tab
    Patent number: 3930502
    Abstract: A disposable diaper is provided with an improved adhesive tab having a relatively long free end. The tab comprises a fixed end secured to a diaper backing sheet on the outside surface of the diaper and at a marginal location thereof, and a free end having a tacky surface covered with a release strip which extends beyond the tacky surface. The release strip and the free end together form a creasable laminate which is folded back over the fixed tab end and further folded over on itself.
    Type: Grant
    Filed: November 20, 1974
    Date of Patent: January 6, 1976
    Assignee: Johnson & Johnson
    Inventor: Ludwig Tritsch