PF

Philip J. Fiddyment

BP British Telecommunications Plc: 1 patents #2 of 44Top 5%
Overall (1989): #68,935 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4805184 Ridge waveguide optical devices Leslie D. Westbrook, Andrew W. Nelson 1989-02-14