Patents by Inventor Arthur R. Ludwick, deceased

Arthur R. Ludwick, deceased 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: D285999
    Type: Grant
    Filed: May 24, 1984
    Date of Patent: October 7, 1986
    Assignee: Lorine E. Ludwick, heir
    Inventors: Arthur R. Ludwick, deceased, Judith E. Ludwick-McPhail