HS

Hung-Fu Sung

Overall (All Time): #1,580,116 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7335118 Shock absorbing and sound producing device for tennis racket — 2008-02-26
7014579 Shock absorbing device for racket — 2006-03-21
6755756 Device for deadening noise and absorbing shock of tennis racket strings — 2004-06-29