ER

Edgardo J. Robert

PE Pennsylvania Engineering: 3 patents #4 of 23Top 20%
Overall (All Time): #1,679,167 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4497656 Steel making method — 1985-02-05
4405365 Method for the fabrication of special steels in metallurgical vessels — 1983-09-20
4329171 Steel making method — 1982-05-11