JV

John E. Vaughan

SL Schlumberger Electronics (Uk) Limited: 1 patents #6 of 29Top 25%
SS Schlumberger Industires, S.A.: 1 patents #93 of 272Top 35%
Overall (All Time): #2,322,392 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4908769 Commodity metering systems Bernard Patry 1990-03-13
4871886 Electronic key and receptacle therefor David R. Smale, Bernard Patry, John C. Heaton 1989-10-03