Patents by Inventor Leon Kuo Liang Yoong

Leon Kuo Liang Yoong 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).

  • Paper shredder
    Patent number: D602982
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: October 27, 2009
    Assignee: Royal Appliance Mfg. Co.
    Inventors: Benson Cheung Chun Kit, Lau Hee Wing, Leon Kuo Liang Yoong
  • Paper shredder
    Patent number: D602983
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: October 27, 2009
    Assignee: Royal Appliance Mfg. Co.
    Inventors: Benson Cheung Chun Kit, Lau Hee Wing, Leon Kuo Liang Yoong
  • Paper shredder
    Patent number: D614690
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: April 27, 2010
    Assignees: Techtronic Floor Care Technology Limited, Staples The Office Superstore, LLC
    Inventors: Lau Hee Wing, Leon Kuo Liang Yoong, Michael Kent
  • Paper shredder
    Patent number: D616490
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: May 25, 2010
    Assignee: Techtronic Floor Care Technology Limited
    Inventors: Ng Mun Lung, Lau Hee Wing, Leon Kuo Liang Yoong
  • Paper shredder
    Patent number: D618275
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: June 22, 2010
    Assignee: Royal Appliance Mfg. Co.
    Inventors: Lau Hee Wing, Leon Kuo Liang Yoong, Lam Kwok Fan
  • Paper shredder
    Patent number: D660907
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: May 29, 2012
    Assignee: Techtronic Floor Care Technology Limited
    Inventors: Lau Hee Wing, Leon Kuo Liang Yoong, Lam Kwok Fan