Patents by Inventor Chew Wooi Heong

Chew Wooi Heong 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 radio telephone
    Patent number: D447111
    Type: Grant
    Filed: August 12, 2000
    Date of Patent: August 28, 2001
    Assignee: Motorola, Inc.
    Inventors: Chew Wooi Heong, Ya Chee Yeong, Stephen Powers, Grant Lloyd
  • Battery for a radio telephone
    Patent number: D447112
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: August 28, 2001
    Assignee: Motorola, Inc.
    Inventors: Chew Wooi Heong, Ya Chee Yeong, Stephen Powers, Grant Lloyd
  • Battery for a radio telephone
    Patent number: D447461
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: September 4, 2001
    Assignee: Motorola, Inc.
    Inventors: Chew Wooi Heong, Ya Chee Yeong, Stephen Powers, Grant Lloyd
  • 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