RT

Richard H. Tietjen

EA E.I. Du Pont De Nemours And: 1 patents #169 of 718Top 25%
📍 Jeannette, PA: #1 of 5 inventorsTop 20%
🗺 Pennsylvania: #948 of 4,234 inventorsTop 25%
Overall (1994): #77,554 of 165,921Top 50%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5323955 Explosively bonding metal composite Oswald Robert Bergmann, Vinci Martinez Felix, Walter John Simmons 1994-06-28