Patents by Inventor Hsi Chi Lai

Hsi Chi Lai 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).

  • Backup alarm
    Patent number: D513200
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: December 27, 2005
    Inventor: Hsi Chi Lai
  • Backup alarm
    Patent number: D514466
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: February 7, 2006
    Inventor: Hsi-Chi Lai
  • Backup alarm
    Patent number: D516448
    Type: Grant
    Filed: December 31, 2004
    Date of Patent: March 7, 2006
    Inventor: Hsi-Chi Lai