DS

David M. Spirit

BL British Telecommunications Public Limited: 2 patents #2 of 72Top 3%
📍 Woodbridge, GB: #2 of 9 inventorsTop 25%
Overall (1994): #35,723 of 165,921Top 25%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5343286 OTDR having optically switched amplified output onto test fibre to suppress optical amplifier noise between OTDR pluses Peter J. Keeble, Christopher Rowe 1994-08-30
5298965 OTDR using distributed optical amplification in optical waveguide under test Lutz C. Blank 1994-03-29