Patents by Inventor Doris Witzman

Doris Witzman 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).

  • Set top television converter
    Patent number: D368085
    Type: Grant
    Filed: April 24, 1995
    Date of Patent: March 19, 1996
    Assignee: General Instrument Corporation of Delaware
    Inventors: Faquir C. Mittal, Doris Witzman, Stephen G. Miggels
  • High power infra-red blaster
    Patent number: D420338
    Type: Grant
    Filed: February 18, 1998
    Date of Patent: February 8, 2000
    Assignee: General Instrument Corporation
    Inventors: Faquir C. Mittal, Doris Witzman, Charles Herrmann, Kevin Keefe
  • Settop television terminal
    Patent number: D420349
    Type: Grant
    Filed: December 5, 1997
    Date of Patent: February 8, 2000
    Assignee: General Instrument Corporation
    Inventors: William J. Storti, Doris Witzman, Douglas Patton, Christopher Anzalone, Derek Niizawa