DR

Douglas L. Roh

📍 Manchester, MO: #9 of 28 inventorsTop 35%
🗺 Missouri: #190 of 1,010 inventorsTop 20%
Overall (1994): #140,621 of 165,921Top 85%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5330379 Construction set Katrina J. Roh 1994-07-19