RH

Ralph J. Hobart

NI Nibco: 1 patents #37 of 69Top 55%
Overall (All Time): #4,034,735 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4449694 Blocked ball valve Robert D. Rupp, Paul F. Mastro 1984-05-22