WD

William C. Drake

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Hoquiam, WA: #20 of 37 inventorsTop 55%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #3,838,784 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5266220 Method for melting contaminated snow and washing solids held therein Patrick Hammond, Patrick L. Severin 1993-11-30