Patents by Inventor Hong Liang-Ming

Hong Liang-Ming 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).

  • Waxing and polishing device
    Patent number: D469932
    Type: Grant
    Filed: March 1, 2002
    Date of Patent: February 4, 2003
    Inventor: Hong Liang-Ming
  • Waxing and polishing device
    Patent number: D469933
    Type: Grant
    Filed: March 1, 2002
    Date of Patent: February 4, 2003
    Inventor: Hong Liang-Ming
  • Waxing and polishing device
    Patent number: D470278
    Type: Grant
    Filed: March 1, 2002
    Date of Patent: February 11, 2003
    Inventor: Hong Liang-Ming