RJ

Robert D. Johnson

📍 Mitchell, SD: #3 of 9 inventorsTop 35%
🗺 South Dakota: #72 of 283 inventorsTop 30%
Overall (2021): #284,397 of 548,734Top 55%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11167679 Trailer with quick attach for skidsteer — 2021-11-09