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公开(公告)号:US2042077A
公开(公告)日:1936-05-26
申请号:US74189134
申请日:1934-08-29
Applicant: STONEBACK SAMUEL A
Inventor: STONEBACK SAMUEL A
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公开(公告)号:US1072053A
公开(公告)日:1913-09-02
申请号:US1913741770
申请日:1913-01-13
Applicant: STONEBACK SAMUEL A
Inventor: STONEBACK SAMUEL A
CPC classification number: E01B3/36
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公开(公告)号:US2276112A
公开(公告)日:1942-03-10
申请号:US31534440
申请日:1940-01-24
Applicant: STONEBACK SAMUEL A
Inventor: STONEBACK SAMUEL A
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公开(公告)号:US1389394A
公开(公告)日:1921-08-30
申请号:US42932620
申请日:1920-12-09
Applicant: STONEBACK SAMUEL A
Inventor: STONEBACK SAMUEL A
IPC: B03B9/04
CPC classification number: B03B9/04
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公开(公告)号:US1132633A
公开(公告)日:1915-03-23
申请号:US1914838260
申请日:1914-05-13
Applicant: STONEBACK SAMUEL A
Inventor: STONEBACK SAMUEL A
CPC classification number: A61G12/00 , E04B2002/7483
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公开(公告)号:US2117581A
公开(公告)日:1938-05-17
申请号:US6977336
申请日:1936-03-20
Applicant: STONEBACK SAMUEL A
Inventor: STONEBACK SAMUEL A
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公开(公告)号:US1129612A
公开(公告)日:1915-02-23
申请号:US1914838261
申请日:1914-05-13
Applicant: STONEBACK SAMUEL A
Inventor: STONEBACK SAMUEL A
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公开(公告)号:US1816919A
公开(公告)日:1931-08-04
申请号:US35387429
申请日:1929-04-09
Applicant: STONEBACK SAMUEL A
Inventor: STONEBACK SAMUEL A
IPC: G10K13/00
CPC classification number: G10K13/00
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