MP

Martin Roy Piel

TW The Charles Machine Works: 1 patents #3 of 16Top 20%
📍 Perry, OK: #2 of 7 inventorsTop 30%
🗺 Oklahoma: #176 of 787 inventorsTop 25%
Overall (2004): #159,667 of 270,089Top 60%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6832443 Cutting chain John H. Walgren 2004-12-21