JS

John M. Spanko

YI York International: 1 patents #82 of 154Top 55%
📍 Norwalk, OH: #65 of 119 inventorsTop 55%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,857,671 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5141152 Flue gas closure system — 1992-08-25