Patents by Inventor John B. Spelz, Sr.

John B. Spelz, Sr. 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).

  • Method and apparatus for producing needlework canvas
    Patent number: 5574829
    Abstract: A system and method for image transfer including means for accessing raw image date, image processing means, and means for recording the processed date onto a tangible absorptive medium, including fabric and the like.
    Type: Grant
    Filed: January 7, 1994
    Date of Patent: November 12, 1996
    Inventors: Elizabeth Wallace, John B. Spelz, Sr.