Patents by Inventor Sandra F. Chandler

Sandra F. Chandler 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: 6748889
    Abstract: A pressure foot assembly for minimizing puckering or bunching of quilt or fabric when being sewn or during other contour sewing. The assembly includes a non-rotating or non-walking pressure foot that has a laterally displaced inner foot from the inner feed dog of the machine. The assembly may include a rotating or “walking” pressure foot recessed under the base and outer pressure foot. The assembly includes a cloth guide to laterally limit the movement of the fabric in the direction of the inner foot.
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: June 15, 2004
    Inventors: John D. Martelli, Sandra F. Chandler
  • Publication number: 20040060494
    Abstract: A pressure foot assembly for minimizing puckering or bunching of quilt or fabric when being sewn or during other contour sewing. The assembly includes a non-rotating or non-walking pressure foot that has a laterally displaced inner foot from the inner feed dog of the machine. The assembly may include a rotating or “walking” pressure foot recessed under the base and outer pressure foot. The assembly includes a cloth guide to laterally limit the movement of the fabric in the direction of the inner foot.
    Type: Application
    Filed: September 26, 2002
    Publication date: April 1, 2004
    Inventors: John D. Martelli, Sandra F. Chandler