RD

Richard P. Dunn

TW The Charles Machine Works: 1 patents #4 of 14Top 30%
📍 San Fernando, CA: #38 of 143 inventorsTop 30%
🗺 California: #8,996 of 28,521 inventorsTop 35%
Overall (2003): #135,278 of 273,478Top 50%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
RE37975 Directional boring head with blade assembly Brent G. Stephenson, Arthur D. Deken, Cody L. Sewell 2003-02-04