BZ

Biwei Zhang

BC Beifa Group Co.: 14 patents #14 of 57Top 25%
Overall (All Time): #353,977 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
D632333 Pen 2011-02-08
D628645 Pen 2010-12-07
D628633 Pen 2010-12-07
D628641 Pen 2010-12-07
D616498 Pen 2010-05-25
D611539 Pen 2010-03-09
D607933 Pen 2010-01-12
D607932 Pen 2010-01-12
D606587 Pen 2009-12-22
D605701 Pen 2009-12-08
D605694 Dual-tip pen 2009-12-08
D605698 Pen 2009-12-08
D601197 Pen 2009-09-29
D598954 Pen Weijie Wang 2009-08-25