DH

David Hopkins

UN Unknown: 3 patents #7,366 of 83,584Top 9%
Overall (All Time): #2,125,028 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7766346 Stabilization device suitable for skate training Robert Spanier, Thom Antonio, Morgan Matthews 2010-08-03
4540173 Body attached elastic type exercising device 1985-09-10