WD

Walter J. Drone

📍 Wheatfield, IN: #3 of 17 inventorsTop 20%
🗺 Indiana: #19,404 of 33,936 inventorsTop 60%
Overall (All Time): #3,902,134 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4922743 Bar for connecting railway track rails and method of making same Norman W. Hillegass 1990-05-08