JH

John A. Hays

TW The Ohio Willow Wood: 1 patents #25 of 46Top 55%
📍 Columbus, OH: #2,196 of 3,880 inventorsTop 60%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,594,311 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6290730 Artificial foot and ankle Mark Pitkin, Sujatha Srinivasan, James M. Colvin 2001-09-18