DD

David G. Derry

📍 Wadebridge, GB: #4 of 9 inventorsTop 45%
Overall (All Time): #3,869,687 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4991844 Apparatus for playing a ball game — 1991-02-12