Patents by Inventor Chong T. Ahn

Chong T. Ahn 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).

  • Patent number: D252688
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: August 21, 1979
    Inventor: Chong T. Ahn
  • Patent number: D258135
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: February 3, 1981
    Inventor: Chong T. Ahn
  • Patent number: D258450
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: March 3, 1981
    Inventor: Chong T. Ahn
  • Patent number: D259120
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: May 5, 1981
    Inventor: Chong T. Ahn
  • Patent number: D265836
    Type: Grant
    Filed: July 25, 1980
    Date of Patent: August 17, 1982
    Inventor: Chong T. Ahn
  • Patent number: D267885
    Type: Grant
    Filed: August 13, 1981
    Date of Patent: February 8, 1983
    Inventor: Chong T. Ahn
  • Patent number: D282263
    Type: Grant
    Filed: November 7, 1983
    Date of Patent: January 21, 1986
    Inventor: Chong T. Ahn
  • Patent number: D297521
    Type: Grant
    Filed: August 28, 1985
    Date of Patent: September 6, 1988
    Inventor: Chong T. Ahn