JL

John W. Lennington

📍 Ypsilanti, MI: #10 of 42 inventorsTop 25%
🗺 Michigan: #694 of 3,452 inventorsTop 25%
Overall (1989): #94,369 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4809662 Internal combustion engine ignition system John A. McDougal 1989-03-07