Patent search ap:("CUTLER HAMMER INC") AND inv:"RINGLE RICHARD B" Page 1

1.

发明授权
Relay control system with differential adjustment 失效
Title translation: 具有差异调整的继电器控制系统

公开(公告)号：US3493816A

公开(公告)日：1970-02-03

申请号：US3493816D

申请日：1967-06-30

Applicant: CUTLER HAMMER INC

Inventor： MONIGAL ROBERT E , RINGLE RICHARD B , SWANSON WILLIAM C

IPC: H01H47/14 , H02H3/06 , H02H3/28 , H01H47/32

CPC classification number: H02H3/066 , H01H47/14

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