RL

Raynald Marcel Gaston Longuet

BI Briot International: 2 patents #6 of 15Top 40%
📍 Elbeuf, FR: #38 of 110 inventorsTop 35%
Overall (All Time): #2,247,443 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5882247 Machine for grinding of optical glasses Jean-Jacques Videcoq 1999-03-16
4930952 Glasses frame carrier for a reproducing machine Michel J. M. Lecerf 1990-06-05