DF

Douglas R Frederickson

📍 Spokane, WA: #582 of 1,134 inventorsTop 55%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #3,606,419 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D420277 Stabilizer for elongated objects John J. Burke, Timothy J. Stults 2000-02-08