Inventor
WIGGIN DOUGLAS MALCOLM
CA9 patents
⚠️ This page may combine multiple inventors who share the name “WIGGIN DOUGLAS MALCOLM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SWITCH MAT INC
6 patentsUS9921421B2Mar 20, 2018
Optical filter comprising a variable transmittance layer
SWITCH MAT INC18 citations92
US9910301B2Mar 6, 2018
Switchable optical filter apparatus with light
SWITCH MAT INC11 citations91
US9588358B2Mar 7, 2017
Optical filter comprising a variable transmittance layer
SWITCH MAT INC7 citations82
US10663771B2May 26, 2020
Optical filter with light source
SWITCH MAT INC1 citations71
US10401654B2Sep 3, 2019
Optical filter comprising a variable transmittance layer
SWITCH MAT INC1 citations71
US10310300B2Jun 4, 2019
Optical filter with light source
SWITCH MAT INC3 citations71