DR

Douglas Ritchie

BD By Design: 4 patents #1 of 3Top 35%
LL Lumentum Technology Uk Limited: 1 patents #14 of 27Top 55%
Overall (All Time): #824,378 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11056354 Semiconductor separation device Ian Juland, Graeme Harris 2021-07-06
D322415 Timepiece face 1991-12-17
D319399 Mantel clock 1991-08-27
D302528 Prism clock 1989-08-01
4693613 Logo clock 1987-09-15
4674891 Clock 1987-06-23