MW

Marion D. Waltz

AA Aluminum Company Of America: 2 patents #290 of 1,017Top 30%
📍 Lower Burrell, PA: #151 of 383 inventorsTop 40%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,342,377 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4678023 Closed loop delivery gauge control in roll casting David J. Knapp 1987-07-07
4660586 Liquid level control David J. Knapp, David W. Clarke 1987-04-28