DH

Darrell N. Halgrimson

BC Black Clawson Company: 2 patents #22 of 74Top 30%
📍 Edmonds, WA: #230 of 598 inventorsTop 40%
🗺 Washington: #35,300 of 76,902 inventorsTop 50%
Overall (All Time): #2,364,184 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4412297 Ultrasonic log scanning and orientation system Donald H. Hanson, Richard King 1983-10-25
4356850 Veneer lathe scanning system Donald H. Hanson, Richard King 1982-11-02