DW

David E. Whiffin

📍 Vancouver, CA: #2,956 of 5,070 inventorsTop 60%
Overall (All Time): #3,951,877 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4744331 Apparatus for rearing fish in natural waters — 1988-05-17