Inventor
BOULANGER CLAUDE
CA4 patents
⚠️ This page may combine multiple inventors who share the name “BOULANGER CLAUDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIT ALCATEL
2 patentsUS4130743ADec 19, 1978
Terminal equipment for a multiplex carrier current telephone system
CIT ALCATEL4 citations59
US3969585AJul 13, 1976
Frequency-division multiplexer for telephone transmission providing for transposition of conversation and calling channels into a primary frequency group
CIT ALCATEL5 citations58