BH

Brad Hjerpe

US Usx: 1 patents #29 of 116Top 25%
Overall (All Time): #3,828,842 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5228902 Method of desulfurization in vacuum processing of steel Robert S. Bogan, Roger Marquart, James D. Reisinger 1993-07-20