JL

John D. Langdon

📍 Avon Lake, OH: #4 of 22 inventorsTop 20%
🗺 Ohio: #715 of 3,574 inventorsTop 25%
Overall (1989): #94,436 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4807888 Device for the automatic operation of international metallic silhouette target platforms Victor S. Pidde 1989-02-28