YH

Yang Ching Ho

Overall (All Time): #2,192,927 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6793590 Golf club having a shock-absorbing effect — 2004-09-21
6764413 Replaceable golf club — 2004-07-20