Sydney Joseph Littleford

3 Patents

• US124293692025

  Fluid Detection

  Welldata (Subsurface Surveillance Systems) Limited

  0 cites
• US122354042025

  Measurement Method and Apparatus

  Welldata (Subsurface Surveillance Systems) Ltd.

  0 cites
• US119204662024

  Downhole Detection

  Welldata (Subsurface Surveillance Systems) Limited

  0 cites