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公开(公告)号:US2761120A
公开(公告)日:1956-08-28
申请号:US39515653
申请日:1953-11-30
Applicant: EASTERN IND INC
Inventor: WILCOX HARRY A
IPC: G08G1/082
CPC classification number: G08G1/082
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公开(公告)号:US2834001A
公开(公告)日:1958-05-06
申请号:US57346556
申请日:1956-03-23
Applicant: EASTERN IND INC
Inventor: WILCOX HARRY A
IPC: G08G1/082
CPC classification number: G08G1/082
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公开(公告)号:US2676294A
公开(公告)日:1954-04-20
申请号:US78556947
申请日:1947-11-13
Applicant: EASTERN IND INC
Inventor: WILCOX HARRY A
IPC: E05F15/16
CPC classification number: E05F15/684 , E05Y2201/656 , E05Y2900/106 , Y10T292/097 , Y10T292/1021
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公开(公告)号:US2885508A
公开(公告)日:1959-05-05
申请号:US56960256
申请日:1956-03-05
Applicant: EASTERN IND INC
Inventor: WILCOX HARRY A
IPC: H01H3/14
CPC classification number: H01H3/142
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公开(公告)号:US2742280A
公开(公告)日:1956-04-17
申请号:US40626954
申请日:1954-01-26
Applicant: EASTERN IND INC
Inventor: WILCOX HARRY A
IPC: E05F15/16
CPC classification number: E05F15/684 , E05Y2900/106 , Y10T292/1021
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公开(公告)号:US2562975A
公开(公告)日:1951-08-07
申请号:US70820246
申请日:1946-11-06
Applicant: EASTERN IND INC
Inventor: WILCOX HARRY A , MIDLOCK BERNARD J
IPC: B06B1/04
CPC classification number: B06B1/04
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