GD

Gerard E. Ducharme

JV Johnston Pump/General Valve: 1 patents #6 of 10Top 60%
Overall (All Time): #3,978,318 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4679764 Automatic valve actuator and control system Gordon Smith, Fred G. Chase, Sr. 1987-07-14