Patent search ap:("BELL TELEPHONE LABOR INC") AND inv:"LYONS EDWARD F" Page 1

1.

发明授权
Monitoring and control system 失效
Title translation: 监控系统

公开(公告)号：US3435416A

公开(公告)日：1969-03-25

申请号：US3435416D

申请日：1964-10-29

Applicant: BELL TELEPHONE LABOR INC

Inventor： KRETSCH KENNETH P , LYONS EDWARD F

IPC: H04Q1/26 , H04Q9/14 , H04Q9/02

CPC classification number: H04Q9/14 , H04Q1/26

Patent Agency Ranking