Patent search ap:("WESTINGHOUSE ELECTRIC CORP") AND inv:"SPAULDING CHARLES W" Page 1

1.

发明授权
Electromagnetic device 失效

公开(公告)号：US2883487A

公开(公告)日：1959-04-21

申请号：US63738457

申请日：1957-01-31

Applicant: WESTINGHOUSE ELECTRIC CORP

Inventor： SPAULDING CHARLES W , PELZ ROBERT A

IPC: H01H9/44 , H01H50/42 , H01H51/06

CPC classification number: H01H9/443 , H01H50/42 , H01H51/06

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