DM

David B. Mortimore

BP British Telecommunications Plc: 1 patents #2 of 44Top 5%
BL British Telecommunications Public Limited: 1 patents #9 of 63Top 15%
Overall (1989): #29,432 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4839898 Optical resonating device David B. Payne 1989-06-13
4798436 Optical fused couplers — 1989-01-17