Patents by Inventor Dietrich Kähler

Dietrich Kähler 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).

  • Buttonhole sewing machine
    Patent number: 6220192
    Abstract: A buttonhole sewing machine for the production of a group of at least two buttonholes of varying design and/or size comprises devices for the entry, storage and processing of information on the varying design and/or size of the group of buttonholes and a device for triggering the drives for the successive production of buttonholes on the workpiece.
    Type: Grant
    Filed: April 5, 2000
    Date of Patent: April 24, 2001
    Assignee: Durkopp Adler Aktiengesellschaft
    Inventors: Dietrich Kähler, Jochen Fischer