P
PatentIndex
Search
Landscape
Sign in
Inventor
CANNIFF RONALD JAY
US
3 patents
⚠️ This page may combine multiple inventors who share the name “CANNIFF RONALD JAY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LUCENT TECHNOLOGIES INC
1 patent
US5953330A
Sep 14, 1999
Communication switch
LUCENT TECHNOLOGIES INC
29 citations
87
BELL TELEPHONE LABOR INC
1 patent
US4048448A
Sep 13, 1977
Multiparty telephone ringing
BELL TELEPHONE LABOR INC
14 citations
67
ALCATEL LUCENT USA INC
1 patent
US7680655B2
Mar 16, 2010
Method and apparatus for measuring the quality of speech transmissions that use speech compression
ALCATEL LUCENT USA INC
6 citations
54