AC

Andrew D Chattel

BL British Telecommunications Public Limited: 1 patents #627 of 1,458Top 45%
Overall (All Time): #3,368,164 of 4,157,543Top 85%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7440552 Fault detection method and apparatus for telephone lines Nicholas Lunt, Paul Birdsall, Michael W Beckford 2008-10-21