HS

Hugh H. Sprague

ST Stelco: 1 patents #10 of 37Top 30%
📍 Puslinch, CA: #16 of 28 inventorsTop 60%
Overall (All Time): #3,663,900 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5968320 Non-recovery coke oven gas combustion system — 1999-10-19