Patents by Inventor Byung W. Chin

Byung W. Chin 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).

  • Public telephone
    Patent number: D345973
    Type: Grant
    Filed: November 9, 1992
    Date of Patent: April 12, 1994
    Assignee: Korea Telecommunications Authority
    Inventors: Sun H. Kwon, Eun H. Kim, Byung W. Chin
  • Public telephone
    Patent number: D346165
    Type: Grant
    Filed: November 9, 1992
    Date of Patent: April 19, 1994
    Assignee: Korea Telecommunication Authority
    Inventors: Sun H. Kwon, Eun H. Kim, Byung W. Chin
  • Public telephone
    Patent number: D351162
    Type: Grant
    Filed: November 9, 1992
    Date of Patent: October 4, 1994
    Assignee: Korea Telecommunication Authority
    Inventors: Sun H. Kwon, Eun H. Kim, Byung W. Chin
  • Public telephone
    Patent number: D351163
    Type: Grant
    Filed: November 9, 1992
    Date of Patent: October 4, 1994
    Assignee: Korea Telecommunication Authority
    Inventors: Sun H. Kwon, Eun H. Kim, Byung W. Chin
  • Public telephone
    Patent number: D359489
    Type: Grant
    Filed: November 9, 1992
    Date of Patent: June 20, 1995
    Assignee: Korea Telecommunication Authority
    Inventors: Sun H. Kwon, Eun H. Kim, Byung W. Chin