Patents by Inventor David Tan Qing Song

David Tan Qing Song 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).

  • Smart battery
    Patent number: D586740
    Type: Grant
    Filed: May 22, 2008
    Date of Patent: February 17, 2009
    Assignee: Teleway Industrial Ltd
    Inventor: David Tan Qing Song
  • Smart battery
    Patent number: D586741
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: February 17, 2009
    Assignee: Telecay Industrial, Ltd
    Inventor: David Tan Qing Song
  • Smart battery
    Patent number: D586742
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: February 17, 2009
    Assignee: Teleway Industrial Ltd.
    Inventor: David Tan Qing Song
  • Docking station
    Patent number: D608351
    Type: Grant
    Filed: June 24, 2009
    Date of Patent: January 19, 2010
    Assignee: Teleway Industrial Ltd.
    Inventor: David Tan Qing Song