DD

David E. Demaray

📍 Pullman, WA: #300 of 521 inventorsTop 60%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #4,090,471 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4270381 Recording instrument to measure microbal gas production 1981-06-02