SP

Simon D. Perrin

BL British Telecommunications Public Limited: 2 patents #379 of 1,458Top 30%
Overall (All Time): #2,254,875 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5985685 Method for making optical device with composite passive and tapered active waveguide regions Ian Lealman, Michael Robertson 1999-11-16
5844929 Optical device with composite passive and tapered active waveguide regions Ian Lealman, Michael Robertson 1998-12-01