Patents by Inventor Tan Seng Hai

Tan Seng Hai 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).

  • Battery for a cellular phone
    Patent number: D447729
    Type: Grant
    Filed: August 10, 2000
    Date of Patent: September 11, 2001
    Assignee: Motorola, Inc.
    Inventors: Lian It Song, Tan Seng Hai, Chew Wooi Heong