HB

Howard J. Bates

NI Nl Industries: 2 patents #47 of 213Top 25%
Overall (All Time): #2,335,178 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4724866 Speed control valve Willard D. Childs, Eugene Matsuda, Douglas W. J. Nayler 1988-02-16
4501219 Tensioner apparatus with emergency limit means 1985-02-26