Patent search ap:("BELL TELEPHONE LABOR INC") AND inv:"MCGUIRE CHARLES H" Page 1

1.

发明授权
Switching device 失效

公开(公告)号：US2969434A

公开(公告)日：1961-01-24

申请号：US71223058

申请日：1958-01-30

Applicant: BELL TELEPHONE LABOR INC

Inventor： MCGUIRE CHARLES H , PEEK JR ROBERT LEE

IPC: H01H51/28 , H01H67/30

CPC classification number: H01H67/30 , H01H51/28 , H01H51/287

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