JL

Jean-Pierre M. F. Langlois

BE Buchmann Optical Engineering: 2 patents #2 of 4Top 50%
📍 Cléon, FR: #1 of 1 inventorsTop 100%
Overall (1994): #30,182 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5321915 Machines for grinding and bevelling opthalmic lenses Michel J. M. Lecerf 1994-06-21
5307150 Apparatus for automatically taking a reading of the shape and/or the profile of the inner contour of a frame rim of glasses Michel J. M. Lecerf 1994-04-26