Patents by Inventor C. Michael Keller, III

C. Michael Keller, III 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).

  • Apparatus for imprinting conically-shaped plastic cups
    Patent number: 5443001
    Abstract: A method and apparatus for imprinting plastic frustro-conically shaped container with a die containing a printing element or elements compresses and flattens the container sidewall during printing. The design is arcuately arranged to correct for distortion which would occur if the flattened side wall were printed with orthogonally arranged letters or design.
    Type: Grant
    Filed: October 2, 1992
    Date of Patent: August 22, 1995
    Inventors: C. Michael Keller, III, Pamela S. Keller, Christopher Greve, Ronald O'Connor