DB

David J Borthwick

BP British Telecommunications Plc: 2 patents #81 of 616Top 15%
Overall (All Time): #2,124,421 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7756258 Communications system with direct access mailbox David Clift, John Johnston, Robert Claxton 2010-07-13
7512225 Computer-telephony integration Jonathan D Curtis 2009-03-31