HC

Harold D. Cromley

📍 Marshall, MO: #15 of 27 inventorsTop 60%
🗺 Missouri: #13,067 of 23,789 inventorsTop 55%
Overall (All Time): #4,116,157 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4213379 Emergency ventilation system for enclosed livestock confinement structures — 1980-07-22