Patents by Inventor Luosen Liu

Luosen Liu 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).

  • Highlighter
    Patent number: D601626
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: October 6, 2009
    Assignee: Beifa Group Co., Ltd.
    Inventor: Luosen Liu
  • Pen
    Patent number: D601627
    Type: Grant
    Filed: December 9, 2008
    Date of Patent: October 6, 2009
    Assignee: Beifa Group Co., Ltd.
    Inventor: Luosen Liu
  • Pen
    Patent number: D602086
    Type: Grant
    Filed: December 9, 2008
    Date of Patent: October 13, 2009
    Assignee: Beifa Group Co., Ltd.
    Inventor: Luosen Liu
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    Patent number: D605697
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: December 8, 2009
    Assignee: Beifa Group Co., Ltd.
    Inventor: Luosen Liu
  • Pen
    Patent number: D607511
    Type: Grant
    Filed: June 9, 2008
    Date of Patent: January 5, 2010
    Assignee: Beifa Group Co., Ltd.
    Inventor: Luosen Liu
  • Pen
    Patent number: D607934
    Type: Grant
    Filed: December 9, 2008
    Date of Patent: January 12, 2010
    Assignee: Beifa Group Co., Ltd.
    Inventor: Luosen Liu
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    Patent number: D610195
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: February 16, 2010
    Assignee: Beifa Group Co., Ltd.
    Inventor: Luosen Liu
  • Pen
    Patent number: D611095
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: March 2, 2010
    Assignee: Beifa Group Co., Ltd.
    Inventor: Luosen Liu
  • Pen
    Patent number: D611096
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: March 2, 2010
    Assignee: Beifa Group Co., Ltd.
    Inventor: Luosen Liu
  • Pen
    Patent number: D611097
    Type: Grant
    Filed: June 15, 2009
    Date of Patent: March 2, 2010
    Assignee: Beifa Group Co., Ltd.
    Inventor: Luosen Liu
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    Patent number: D616496
    Type: Grant
    Filed: June 19, 2009
    Date of Patent: May 25, 2010
    Assignee: Beifa Group Co., Ltd.
    Inventor: Luosen Liu
  • Pen
    Patent number: D616499
    Type: Grant
    Filed: June 11, 2009
    Date of Patent: May 25, 2010
    Assignee: Beifa Group Co., Ltd.
    Inventor: Luosen Liu
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    Patent number: D616937
    Type: Grant
    Filed: June 5, 2009
    Date of Patent: June 1, 2010
    Assignee: Beifa Group Co., Ltd.
    Inventor: Luosen Liu
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    Patent number: D622767
    Type: Grant
    Filed: June 19, 2009
    Date of Patent: August 31, 2010
    Assignee: Beifa Group Co., Ltd.
    Inventor: Luosen Liu
  • Highlighter
    Patent number: D624963
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: October 5, 2010
    Assignee: Beifa Group Co., Ltd.
    Inventor: Luosen Liu
  • Marker
    Patent number: D628630
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: December 7, 2010
    Assignee: Beifa Group Co., Ltd.
    Inventor: Luosen Liu
  • Marker
    Patent number: D628631
    Type: Grant
    Filed: March 11, 2010
    Date of Patent: December 7, 2010
    Assignee: Beifa Group Co., Ltd.
    Inventor: Luosen Liu
  • Marker
    Patent number: D628632
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: December 7, 2010
    Assignee: Beifa Group Co., Ltd.
    Inventor: Luosen Liu
  • Ink bottle
    Patent number: D632178
    Type: Grant
    Filed: June 5, 2009
    Date of Patent: February 8, 2011
    Assignee: Beifa Group Co., Ltd.
    Inventor: Luosen Liu