DP

Denis Pettigrew

PT Premier Tech Technologies L Tée: 1 patents #20 of 46Top 45%
📍 Notre-Dame-du-Portage, CA: #2 of 6 inventorsTop 35%
Overall (All Time): #2,126,462 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7790035 Tertiary system and process for treating a liquid effluent from an onsite domestic secondary treatment unit Jean-Pierre Dautais, Roger Lacasse, Pierre Talbot 2010-09-07
7097768 Coconut mesocarp-based biofilter material and its use in a wastewater treatment system Pierre Talbot, Roger Lacasse, Ginette Belanger, Yves Arcand, Jean-Pierre Dautais 2006-08-29