Patents by Inventor Chow Koh Cheong

Chow Koh Cheong 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).

  • Toothbrush
    Patent number: D438012
    Type: Grant
    Filed: March 22, 2000
    Date of Patent: February 27, 2001
    Assignee: Sinorita Sendirian Berhad
    Inventors: Chow Koh Cheong, Yuet Peng Cheong
  • Toothbrush
    Patent number: D452379
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: December 25, 2001
    Assignee: Sinorita Sendirian Berhad
    Inventors: Yuct Ping Cheong, Chow Koh Cheong
  • Toothbrush
    Patent number: D452380
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: December 25, 2001
    Assignee: Sinorita Sendirian Berhad
    Inventors: Yuct Ping Cheong, Chow Koh Cheong
  • Toothbrush
    Patent number: D452381
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: December 25, 2001
    Assignee: Sinorita Sendirian Berhad
    Inventors: Yuct Ping Cheong, Chow Koh Cheong
  • Toothbrush
    Patent number: D452382
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: December 25, 2001
    Assignee: Sinorita Sendirian Berhad
    Inventors: Yuct Ping Cheong, Chow Koh Cheong
  • Toothbrush
    Patent number: D452615
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: January 1, 2002
    Assignee: Sinorita Sendirian Berhad
    Inventors: Yuct Ping Cheong, Chow Koh Cheong
  • Toothbrush
    Patent number: D418981
    Type: Grant
    Filed: March 20, 1998
    Date of Patent: January 18, 2000
    Assignee: Sinorita Sendirian Berhad
    Inventors: Chow Koh Cheong, Yuet Peng Cheong
  • Toothbrush
    Patent number: D420802
    Type: Grant
    Filed: July 20, 1998
    Date of Patent: February 22, 2000
    Assignee: Sinorita Sendirian Berhad
    Inventors: Chow Koh Cheong, Yuet Peng Cheong