Patents by Inventor John Sigouin

John Sigouin 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).

  • Biasing mechanism for sewing machine presser foot
    Publication number: 20050039658
    Abstract: A sewing machine comprises a presser foot; a drive shaft operably connected to the presser foot which imparts periodic upward movement to the presser foot; and a biasing mechanism operably connected to the presser foot which normally biases the presser foot into a downward position, the biasing mechanism comprising a toggle link having a pivot, a resilient element operably connected to the toggle link on one side of the pivot and the presser foot operably connected to the toggle link on the other side of the pivot.
    Type: Application
    Filed: May 10, 2004
    Publication date: February 24, 2005
    Inventors: Steven Marcangelo, John Sigouin