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公开(公告)号:US1761100A
公开(公告)日:1930-06-03
申请号:US8329726
申请日:1926-01-23
Applicant: NATHANIEL BALDWIN
Inventor: NATHANIEL BALDWIN
IPC: H04R1/42
CPC classification number: H04R1/42
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公开(公告)号:US1683945A
公开(公告)日:1928-09-11
申请号:US6603725
申请日:1925-10-31
Applicant: NATHANIEL BALDWIN
Inventor: NATHANIEL BALDWIN
IPC: H04R11/00
CPC classification number: H04R11/00
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公开(公告)号:US1681161A
公开(公告)日:1928-08-21
申请号:US5335025
申请日:1925-08-29
Applicant: NATHANIEL BALDWIN
Inventor: NATHANIEL BALDWIN
IPC: H04R11/00
CPC classification number: H04R11/00
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公开(公告)号:US1389024A
公开(公告)日:1921-08-30
申请号:US33237819
申请日:1919-10-22
Applicant: NATHANIEL BALDWIN
Inventor: NATHANIEL BALDWIN
IPC: B60C5/16
CPC classification number: B60C5/16 , Y10T152/10747
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公开(公告)号:US2343859A
公开(公告)日:1944-03-14
申请号:US39077241
申请日:1941-04-28
Applicant: NATHANIEL BALDWIN
Inventor: NATHANIEL BALDWIN
IPC: H04R11/00
CPC classification number: H04R11/00
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6.Combination tongs and poker device for fire grates and fireplaces 失效
Title translation: 组合钳和扑克装置用于火炉和壁炉公开(公告)号:US1902685A
公开(公告)日:1933-03-21
申请号:US49185830
申请日:1930-10-29
Applicant: NATHANIEL BALDWIN
Inventor: NATHANIEL BALDWIN
IPC: F24B15/10
CPC classification number: F24B15/10
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公开(公告)号:US1778711A
公开(公告)日:1930-10-21
申请号:US19202727
申请日:1927-05-17
Applicant: NATHANIEL BALDWIN
Inventor: NATHANIEL BALDWIN
IPC: H04R11/00
CPC classification number: H04R11/00
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公开(公告)号:US1672294A
公开(公告)日:1928-06-05
申请号:US551625
申请日:1925-01-29
Applicant: NATHANIEL BALDWIN
Inventor: NATHANIEL BALDWIN
IPC: H04R13/02
CPC classification number: H04R13/02
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公开(公告)号:US1772125A
公开(公告)日:1930-08-05
申请号:US20354427
申请日:1927-07-05
Applicant: NATHANIEL BALDWIN
Inventor: NATHANIEL BALDWIN
IPC: H04R11/00
CPC classification number: H04R11/00
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公开(公告)号:US1763876A
公开(公告)日:1930-06-17
申请号:US7916526
申请日:1926-01-04
Applicant: NATHANIEL BALDWIN
Inventor: NATHANIEL BALDWIN
IPC: H04R7/22
CPC classification number: H04R7/22
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