Inventor

SMITHSON ROBERT LELAND WEE

US3 patents

Patents

3 patents

US6822190B2Nov 23, 2004

Optical fiber or waveguide lens

3M INNOVATIVE PROPERTIES CO58 citations88

US11071607B2Jul 27, 2021

Method of and system for building up a dental object

3M INNOVATIVE PROPERTIES CO0 citations50

US10509148B2Dec 17, 2019

Irradiation marking of retroreflective sheeting

3M INNOVATIVE PROPERTIES CO0 citations48