MM

Marcel Matiere

📍 Aurillac, FR: #1 of 9 inventorsTop 15%
Overall (1989): #8,606 of 140,708Top 7%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4869294 Buried large cross-section conduit 1989-09-26
4835936 Process for obtaining hollow structures such as conduits, silos or shelters 1989-06-06
4836714 Enclosed structures of very large cross-section, such as conduits, silos or shelters 1989-06-06