MT

Michael George Trefry

Overall (All Time): #2,031,158 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9062541 Method, system and apparatus for subsurface flow manipulation Guy Metcalfe, Daniel Robert Lester, Klaus Regenauer-Lieb 2015-06-23
5723769 Diffusion cell Christopher Gerald Barber, Patrick Hannon, Bradley Mark Patterson 1998-03-03