Patents by Inventor Charles A. Tysinger

Charles A. Tysinger 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).

  • Auxillary control apparatus for sewing machines
    Patent number: 4583474
    Abstract: A motor control mechanism for adapting electric sewing machines to be used by handicapped people, is mounted on the sewing machine or adjacent thereto and includes a motor control means operatively connected between the machine motor and a variable control arm which is activated by the operator's arm, or head, or knee.
    Type: Grant
    Filed: April 2, 1985
    Date of Patent: April 22, 1986
    Inventor: Charles A. Tysinger