YH

Yvon Helmstetter

EI Essilor International: 1 patents #1 of 8Top 15%
📍 Boviolles, FR: #1 of 1 inventorsTop 100%
Overall (2005): #67,623 of 245,428Top 30%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6891673 Thin film polarization splitter, its manufacture and ophthalmic lens with projection inserts containing it Herve Cado, Frederic Arrouy 2005-05-10