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公开(公告)号:US1250428A
公开(公告)日:1917-12-18
申请号:US13621716
申请日:1916-12-11
Applicant: EMERSON PIANO COMPANY
Inventor: CARNAHAN FRANK
CPC classification number: G10F1/02
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公开(公告)号:US1242919A
公开(公告)日:1917-10-16
申请号:US13814316
申请日:1916-12-21
Applicant: EMERSON PIANO COMPANY
Inventor: CARNAHAN FRANK
CPC classification number: G10F1/02
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公开(公告)号:US896517A
公开(公告)日:1908-08-18
申请号:US1907396123
申请日:1907-10-07
Applicant: EMERSON PIANO COMPANY
Inventor: CRIPPEN WALTER R
CPC classification number: G10F1/02
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公开(公告)号:US837610A
公开(公告)日:1906-12-04
申请号:US1906337758
申请日:1906-10-06
Applicant: EMERSON PIANO COMPANY
Inventor: CRIPPEN WALTER R
CPC classification number: G10F1/02
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公开(公告)号:US873214A
公开(公告)日:1907-12-10
申请号:US1907363167
申请日:1907-03-19
Applicant: EMERSON PIANO COMPANY
Inventor: CRIPPEN WALTER R
CPC classification number: G10F1/02
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公开(公告)号:US869818A
公开(公告)日:1907-10-29
申请号:US1907363536
申请日:1907-03-21
Applicant: EMERSON PIANO COMPANY
Inventor: WATSON WILLIAM A
CPC classification number: G10F5/06
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公开(公告)号:US1289391A
公开(公告)日:1918-12-31
申请号:US13814416
申请日:1916-12-21
Applicant: EMERSON PIANO COMPANY
Inventor: CARNAHAN FRANK
CPC classification number: G10F1/02
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公开(公告)号:US920921A
公开(公告)日:1909-05-11
申请号:US1907377314
申请日:1907-06-05
Applicant: EMERSON PIANO COMPANY
Inventor: CRIPPEN WALTER R
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公开(公告)号:US869480A
公开(公告)日:1907-10-29
申请号:US1907353420
申请日:1907-01-22
Applicant: EMERSON PIANO COMPANY
Inventor: CRIPPEN WALTER R
CPC classification number: G10F1/02
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10.
公开(公告)号:US1168264A
公开(公告)日:1916-01-11
申请号:US2015215
申请日:1915-04-09
Applicant: EMERSON PIANO COMPANY
Inventor: JAMESON ALEXANDER
CPC classification number: G10B1/04 , Y10T74/20888
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