SC

Stephen A. Cassidy

BP British Telecommunications Plc: 1 patents #2 of 44Top 5%
BL British Telecommunications Public Limited: 1 patents #9 of 63Top 15%
Overall (1989): #15,574 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4867522 Wavelength sensitive optical devices 1989-09-19
4796970 Optical fibre transmission lines Michael H. Reeve 1989-01-10