JM

Jack K. Mayfield

📍 Windom, MN: #1,276 of 2,819 inventorsTop 50%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,362,512 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4386603 Distraction device for spinal distraction systems 1983-06-07
4347845 Hook inserter device 1982-09-07