JW

John Richard Williams

BP British Telecommunications Plc: 1 patents #2 of 44Top 5%
BL British Telecommunications Public Limited: 1 patents #9 of 63Top 15%
Overall (1989): #23,314 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4848997 Method of preparing a halide optical fibre Paul W. France, Steven F. Carter 1989-07-18
4836643 Halide fibre with high numerical aperture Paul W. France 1989-06-06