Patents by Inventor Thuc H. Dam

Thuc H. Dam 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).

  • Method of creating color-changing displays
    Patent number: 6598966
    Abstract: The present invention includes an apparatus for and method of creating electrically modifiable images using a computer printer. In one embodiment, one or more ink reservoirs of a printer cartridge are filled with an electrochromic ink. The printer thus prepared can be used to print electrochromic patterns on a surface using standard ink application methods. In certain embodiments, more than one ink reservoir is filled with electrochromic ink. In these embodiments, separate reservoirs are filled with separate ink formulations so that the characteristics of the electrochromic pattern can be varied.
    Type: Grant
    Filed: April 11, 2002
    Date of Patent: July 29, 2003
    Assignee: Board of Regents, The University of Texas System
    Inventors: John P. Ferraris, Thuc H. Dam, David Meeker
  • Method of creating color-changing displays
    Patent number: 6501587
    Abstract: The present invention comprises an apparatus for and method of creating electrically modifiable images using a computer printer. In one embodiment, one or more ink reservoirs of a printer cartridge are filled with an electrochromic ink. The printer thus prepared can be used to print electrochromic patterns on a surface using standard ink application methods. In certain embodiments, more than one ink reservoir is filled with electrochromic ink. In these embodiments, separate reservoirs are filled with separate ink formulations so that the characteristics of the electrochromic pattern can be varied.
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: December 31, 2002
    Assignee: Board of Regents, The University of Texas System
    Inventors: John P. Ferraris, Thuc H. Dam, David Meeker
  • Method of creating color-changing displays
    Publication number: 20020141033
    Abstract: The present invention comprises an apparatus for and method of creating electrically modifiable images using a computer printer. In one embodiment, one or more ink reservoirs of a printer cartridge are filled with an electrochromic ink. The printer thus prepared can be used to print electrochromic patterns on a surface using standard ink application methods. In certain embodiments, more than one ink reservoir is filled with electrochromic ink. In these embodiments, separate reservoirs are filled with separate ink formulations so that the characteristics of the electrochromic pattern can be varied.
    Type: Application
    Filed: April 11, 2002
    Publication date: October 3, 2002
    Inventors: John P. Ferraris, Thuc H. Dam, David Meeker