Patents by Inventor Karl Ingvar Fredrik Rendahl

Karl Ingvar Fredrik Rendahl 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).

  • Sewing machine frame with presser foot and needle bar unit
    Patent number: 4044701
    Abstract: The present invention provides an improvement in assembling a sewing machine in which the machine has an open rear portion through which several units and devices in pre-assembled condition are mounted in the machine body and adjusted into proper positions during assembly.
    Type: Grant
    Filed: March 15, 1974
    Date of Patent: August 30, 1977
    Assignee: Husqvarna Aktiebolag
    Inventors: Hannes Giesselmann, Karl Ingvar Fredrik Rendahl