BC

Barnabas C. Chen

WT World Trend: 5 patents #1 of 2Top 50%
📍 Walnut, CA: #100 of 870 inventorsTop 15%
🗺 California: #73,997 of 386,348 inventorsTop 20%
Overall (All Time): #657,350 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7774888 Child's music-playing toothbrush configured for attractive display of graphics and improved sound quality 2010-08-17
D555359 Toothbrush 2007-11-20
D505264 Toothbrush 2005-05-24
D474808 Rocket ball point pen 2003-05-20
D461961 Hair brush 2002-08-27
D453077 Brush handle 2002-01-29
D361345 Writing instrument 1995-08-15
D357936 Writing instrument 1995-05-02