Patents by Inventor Donald E. Spann

Donald E. Spann 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).

  • Digital media cutter
    Patent number: 6491361
    Abstract: A printer includes a rasterized laser illumination system. The printer may be an ink jet type and the application of laser light may be controlled digitally along with the ink droplet ejection. The media may be cut or etched with the laser, or heat may be applied to previously deposited ink.
    Type: Grant
    Filed: November 9, 2000
    Date of Patent: December 10, 2002
    Assignee: Encad, Inc.
    Inventor: Donald E. Spann