Patents by Inventor John B. Sowell

John B. Sowell 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).

  • Luminous embossable tape
    Patent number: 3961112
    Abstract: An embossable laminate tape comprising an intermediate layer having a luminous material entrapped therein. When the tape is cold formed by embossing with indicia means, selective areas of the luminous material are exposed to provide luminous indicia on the embossed tape.
    Type: Grant
    Filed: August 2, 1974
    Date of Patent: June 1, 1976
    Inventors: Roberta L. Genevitz, Joseph R. Genevitz, John B. Sowell