Inventor
EDWARDS JOHN D
GB4 patents
⚠️ This page may combine multiple inventors who share the name “EDWARDS JOHN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROLM CORP
3 patentsUS4313036AJan 26, 1982
Distributed CBX system employing packet network
ROLM CORP116 citations92
US4627050ADec 2, 1986
Time division multiplexed computerized branch exchange
ROLM CORP29 citations91
US3985966AOct 12, 1976
Method and apparatus for generating digital dual frequency signals
ROLM CORP10 citations70