Patent search ap:("BELL TELEPHONE LABOR INC") AND inv:"ENO WILBER S" Page 1

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发明授权
Telephone coin return assembly 失效
Title translation: 电话硬币返回组件

公开(公告)号：US3116013A

公开(公告)日：1963-12-31

申请号：US20606462

申请日：1962-06-28

Applicant: BELL TELEPHONE LABOR INC

Inventor： ENO WILBER S , HALL NORRIS R

IPC: G07F9/04 , H04M1/276 , H04M17/02

CPC classification number: G07F9/04 , H04M1/276 , H04M17/026

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