Inventor
MASSART CHRISTIAN
FR4 patents
⚠️ This page may combine multiple inventors who share the name “MASSART CHRISTIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ESSILOR INT
3 patentsUS5598223AJan 28, 1997
Method for transforming a video image into an image suitable for a display matrix
ESSILOR INT7 citations71
US5033840AJul 23, 1991
Interpupillary distance measuring device with no moving parts
ESSILOR INT12 citations69
US5946074AAug 31, 1999
Apparatus for centering a spectacles lens and positioning a gripping member thereon
ESSILOR INT6 citations59