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Inventor
DAVID LARRY JOHN
CA
4 patents
⚠️ This page may combine multiple inventors who share the name “DAVID LARRY JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTEL NETWORKS LTD
2 patents
US7068641B1
Jun 27, 2006
Telephony and data network services at a telephone
NORTEL NETWORKS LTD
74 citations
94
US7660295B2
Feb 9, 2010
Telephony and data network services at a telephone
NORTEL NETWORKS LTD
14 citations
81
NORTEL NETWORKS CORP
1 patent
US6069943A
May 30, 2000
Collaborative conferencing circuit
NORTEL NETWORKS CORP
27 citations
88
ALLAN WILLIAM
1 patent
US8964727B2
Feb 24, 2015
Telephony and data network services at a telephone
ALLAN WILLIAM
2 citations
54