Patents by Inventor Norman Schigulski

Norman Schigulski 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).

  • Ladder rest
    Patent number: D425211
    Type: Grant
    Filed: June 29, 1999
    Date of Patent: May 16, 2000
    Inventor: Norman Schigulski