JD

John Maurice Dunphy

Overall (All Time): #1,636,561 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5997405 Golf practice device Neil Russell, Wai Sang Lam 1999-12-07
D391333 Golf practice device Neil Russell, Wai Sang Lam 1998-02-24
D340964 Putting aid 1993-11-02