Semyon E. Royzman

BL Blaw-Knox: 2 patents #2 of 10Top 20%

📍 Mount Lebanon, PA: #35 of 64 inventorsTop 55%

🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%

Overall (All Time): #2,342,675 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4696458	Method and plant for fully continuous production of steel strip from ore	—	1987-09-29
4664701	Method and plant for fully continuous production of steel strip from ore	—	1987-05-12