Inventor · disambiguated record
Michael George Trefry
Also filed as: TREFRY MICHAEL GEORGE
2 granted patents·1 pending application·13 citations·filing 1994–2015
51Inventor score
Top patents by PatentIndex Score
3 records- 0139US5723769ADiffusion cellCOMMW SCIENT IND RES ORG·Filed 1994·Granted Mar 3, 1998·13 cites·60 claims
- 0237US2015285044A1Method, system and apparatus for subsurface flow manipulationCOMMW SCIENT IND RES ORG·Filed 2015·Application pending·0 cites
- 0327US9062541B2Method, system and apparatus for subsurface flow manipulationMETCALFE GUY PARKER·Filed 2010·Granted Jun 23, 2015·0 cites·14 claims
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