Patents by Inventor Joseph Kefer

Joseph Kefer 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).

  • Patent number: 4700645
    Abstract: A sewing machine housing includes a base to hold the machine's drive mechanism and a covering mounted on the base. To effect an easy alteration of the outer shape, the covering comprises a plurality of individual covering pieces with edge contours aligned with one another, the individual covering pieces being detachably connected to the base or to one another. In order to adapt to differently designed operating means in a given area of the base to be covered, a plurality of individual covering pieces are provided for that area with a plurality of different shapes with essentially the same edge contours and edge design.
    Type: Grant
    Filed: September 15, 1986
    Date of Patent: October 20, 1987
    Assignee: Dorina Nahmaschinen GmbH
    Inventors: Joseph Kefer, Gerhard Ruf