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公开(公告)号:US1263368A
公开(公告)日:1918-04-23
申请号:US164015
申请日:1915-01-11
Applicant: ANCHOR COMPANY
Inventor: BOWMAN THOMAS B
CPC classification number: E01B13/02
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公开(公告)号:US1243688A
公开(公告)日:1917-10-23
申请号:US15558217
申请日:1917-03-17
Applicant: ANCHOR COMPANY
Inventor: BELKNAP ROBERT E
CPC classification number: E01B13/02
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公开(公告)号:US1224426A
公开(公告)日:1917-05-01
申请号:US11928016
申请日:1916-09-09
Applicant: STEELE RAIL ANCHOR COMPANY INC
Inventor: STEELE JAMES ROBERT JR
CPC classification number: E01B9/06
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公开(公告)号:US1201279A
公开(公告)日:1916-10-17
申请号:US6547415
申请日:1915-12-07
Applicant: AJAX RAIL ANCHOR COMPANY
Inventor: ELFBORG HENRY G
CPC classification number: E01B13/02
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公开(公告)号:US1024114A
公开(公告)日:1912-04-23
申请号:US1024114D
Applicant: POSITIVE RAIL ANCHOR COMPANY
Inventor: BETTS BENJAMIN B
CPC classification number: E01B13/02
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公开(公告)号:US787017A
公开(公告)日:1905-04-11
申请号:US1904225245
申请日:1904-09-20
Applicant: NAT ANCHOR COMPANY
Inventor: WITMER JOHN W
CPC classification number: E02D5/803
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