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Guofang Cao

📍 Diamond Bar, CA: #64 of 459 inventorsTop 15%
🗺 California: #73,997 of 386,348 inventorsTop 20%
Overall (All Time): #657,558 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7819786 Dumbbell assembly 2010-10-26
7614981 Weight selection system for fitness training equipment 2009-11-10
D566207 Weight plate 2008-04-08
7341545 Torque releasing mechanism for fitness training equipment 2008-03-11
D545329 Carbide tip for grinding teeth 2007-06-26
7211030 Exercise machine having full weight or half weight selection mechanism 2007-05-01
7140407 Configurations and designs for stump grinding teeth and corresponding holding brackets 2006-11-28
7131938 Apparatus for weight heads assembly used on dumbbells 2006-11-07