DH

Donald H. Hanson

BC Black Clawson Company: 2 patents #22 of 74Top 30%
📍 Arlington, WA: #73 of 172 inventorsTop 45%
🗺 Washington: #35,300 of 76,902 inventorsTop 50%
Overall (All Time): #2,364,185 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 Darrell N. Halgrimson, Richard King 1983-10-25
4356850 Veneer lathe scanning system Darrell N. Halgrimson, Richard King 1982-11-02