JH

J. Roland Hahn

📍 Findlay, OH: #118 of 333 inventorsTop 40%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,153,486 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7191477 Medical assist device Janet E. Gohlke, William P. Camp, Jr., Shelby Jay Buell, Ronald Rich 2007-03-20
7165276 Medical assist device Janet E. Gohlke, William P. Camp, Jr., Shelby Jay Buell, Ronald Rich 2007-01-23