Patents by Inventor John Michelizzi

John Michelizzi 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).

  • Pen warmer
    Patent number: 6663308
    Abstract: A device for warming a writing tip of a pen having a conductive surface spaced from the writing tip, the device includes a power source having a first terminal and a second terminal. A first electrically conductive member is attached to the first terminal and a second electrically conductive member is attached to the second terminal and spaced from the first conductive member. The conductive surface of the pen contacts the second electrically conductive member when the writing tip of the pen contacts the first conductive member thereby warming the writing tip.
    Type: Grant
    Filed: July 25, 2002
    Date of Patent: December 16, 2003
    Inventor: John Michelizzi