Patents by Inventor Nguyen Vinh To

Nguyen Vinh To 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).

  • Handheld transmitter
    Patent number: D554081
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: October 30, 2007
    Assignee: DEI Headquarters, Inc.
    Inventor: Nguyen Vinh To
  • Handheld transmitter
    Patent number: D554082
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: October 30, 2007
    Assignee: DEI Headquarters, Inc.
    Inventor: Nguyen Vinh To
  • Handheld transmitter
    Patent number: D558153
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: December 25, 2007
    Assignee: DEI Headquarters, Inc.
    Inventor: Nguyen Vinh To
  • Handheld transmitter
    Patent number: D583772
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: December 30, 2008
    Assignee: DEI Holdings, Inc.
    Inventor: Nguyen Vinh To
  • Handheld transmitter
    Patent number: D583773
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: December 30, 2008
    Assignee: DEI Holdings, Inc.
    Inventor: Nguyen Vinh To
  • Handheld transmitter
    Patent number: D583774
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: December 30, 2008
    Assignee: DEI Holdings, Inc.
    Inventor: Nguyen Vinh To
  • Handheld transmitter
    Patent number: D584241
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: January 6, 2009
    Assignee: DEI Holdings, Inc.
    Inventor: Nguyen Vinh To
  • Handheld transmitter
    Patent number: D605605
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: December 8, 2009
    Assignee: DEI Holdings, Inc.
    Inventor: Nguyen Vinh To