Patents by Inventor Roland Wittwer

Roland Wittwer 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).

  • Flat bed knitting machine
    Patent number: 5408849
    Abstract: A flat bed knitting machine has at least one needle bed having mobile nees and stationary comb sinkers disposed in the needle bed. Movable holding-down sinkers are added to the needle bed to ensure that stitches are held in place.
    Type: Grant
    Filed: July 20, 1993
    Date of Patent: April 25, 1995
    Assignee: Universal Maschinenfabrik Dr. Rudolf Schieber GmbH & Co. KG
    Inventors: Reinhold Schimko, Roland Wittwer