DS

Daniel SPIEGEL

EI Essilor International: 1 patents #47 of 143Top 35%
📍 Singapore, NC: #5 of 7 inventorsTop 75%
Overall (2025): #408,580 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12189212 Eyewear comprising a variable optical filter system and methods for the system and eyewear 2025-01-07