JL

Jean-Jacques de Langavant

📍 Dorion, CA: #1 of 1 inventorsTop 100%
Overall (1997): #49,088 of 185,788Top 30%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5660046 Cryogenic temperature control system Bernard de Langavant, Normand Masse 1997-08-26