Patents by Inventor Lawrence C. Mann

Lawrence C. Mann 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).

  • Reflective projection screen with angled sidewalls
    Patent number: 7274508
    Abstract: A projection screen includes a plurality of passive elements each having a sidewall surrounding a surface, wherein said sidewall is configured to attenuate light.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: September 25, 2007
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: William J. Allen, John M. Koegler, Anurag Gupta, Lawrence C. Mann