DO

David Orton

📍 Mora, MN: #3 of 4 inventorsTop 75%
🗺 Minnesota: #813 of 3,156 inventorsTop 30%
Overall (1997): #162,072 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5598679 Cast concrete block and method of making same Michael Orton 1997-02-04