DM

Douglas MacDonald

BC Bell Canada: 2 patents #7 of 48Top 15%
EC Excelitas Canada: 1 patents #11 of 27Top 45%
Overall (All Time): #1,412,692 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11307241 Maintaining stable optical output of solid state illumination system Erik Sorensen, Paul Constantinou, Yong Wang 2022-04-19
5933481 Method of controlling call traffic in a telecommunication system 1999-08-03
5719930 Method of volume screening signalling messages in a telecommunication system Frederick Joseph Kaudel 1998-02-17