JJ

John L. Janning

📍 Centerville, OH: #13 of 48 inventorsTop 30%
🗺 Ohio: #979 of 4,093 inventorsTop 25%
Overall (1994): #113,723 of 165,921Top 70%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5338287 Electromagnetic induction hearing aid device Gale W. Miller, Eugene A. Janning 1994-08-16