RM

Ronald J. McComb

TD The Youngstown Steel Door: 2 patents #4 of 12Top 35%
📍 Youngstown, OH: #90 of 284 inventorsTop 35%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,358,194 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4450773 Sliding gate for a railroad hopper car William E. Fritz 1984-05-29
4411560 Pneumatic hopper discharge outlet — 1983-10-25