DS

David R. Shidemantle

AS Allegheny Ludlum Steel: 1 patents #29 of 55Top 55%
📍 Butler, PA: #185 of 347 inventorsTop 55%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,018,245 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4529442 Method for producing steel in a top oxygen blown vessel Joseph W. Tommaney, Harry L. Bishop, Jr. 1985-07-16