Patents by Inventor Michael G. Rogner

Michael G. Rogner 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).

  • Device for producing waistbands in garments
    Patent number: 4699302
    Abstract: A folding device folds waistband ends into the waistband and the device moveable along with folding tools, clamping tools and engagement fingers in a way which allows the fingers to be inserted between layers of the waistband and moved the working area of a bar tacking machine, while clamping tools and folding tools are moved away from the finger so that they do no impede the inserting process. The control of the fingers and folding tools of the folding device is made more simple and economical by the use of control cams.
    Type: Grant
    Filed: November 25, 1986
    Date of Patent: October 13, 1987
    Assignee: Pfaff Aktiengesellschaft
    Inventors: Gerd H. Papajewski, Michael G. Rogner