Inventor
WOLD CHAD R
US5 patents
⚠️ This page may combine multiple inventors who share the name “WOLD CHAD R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3M INNOVATIVE PROPERTIES CO
4 patentsUS9885885B2Feb 6, 2018
Blue edge filter optical lens
3M INNOVATIVE PROPERTIES CO7 citations83
US10054803B2Aug 21, 2018
Filters to enhance color discrimination for color vision deficient individuals
3M INNOVATIVE PROPERTIES CO13 citations82
US10962806B2Mar 30, 2021
Blue edge filter optical lens
3M INNOVATIVE PROPERTIES CO2 citations72
US10444546B2Oct 15, 2019
Optical filter
3M INNOVATIVE PROPERTIES CO3 citations71