YG

Yvan Goupil

📍 Keyano, CA: #12 of 55 inventorsTop 25%
Overall (1994): #41,879 of 165,921Top 30%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5323578 Prefabricated formwork Claude Chagnon, Serge Chagnon, Alain Chagnon, Luc Chagnon, Robert Chagnon +1 more 1994-06-28