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公开(公告)号:US1081713A
公开(公告)日:1913-12-16
申请号:US1911654918
申请日:1911-10-16
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
CPC classification number: G02C3/00
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公开(公告)号:US1005133A
公开(公告)日:1911-10-10
申请号:US1908470033
申请日:1908-12-30
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
CPC classification number: G02C5/12
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公开(公告)号:US1910456A
公开(公告)日:1933-05-23
申请号:US35990929
申请日:1929-05-02
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
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公开(公告)号:US1852837A
公开(公告)日:1932-04-05
申请号:US42044230
申请日:1930-01-13
Applicant: AMERICAN OPTICAL CORP
Inventor: DANIEL DESMOND , BAKER NELSON M
IPC: A61B3/12
CPC classification number: A61B3/1208
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公开(公告)号:US1838608A
公开(公告)日:1931-12-29
申请号:US32087728
申请日:1928-11-21
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
IPC: G02C5/02
CPC classification number: G02C5/02
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公开(公告)号:US1827345A
公开(公告)日:1931-10-13
申请号:US25021728
申请日:1928-01-28
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
IPC: G02C1/02
CPC classification number: G02C1/02
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公开(公告)号:US1813135A
公开(公告)日:1931-07-07
申请号:US40264929
申请日:1929-10-26
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
IPC: A45C11/04
CPC classification number: A45C11/04
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公开(公告)号:US1808448A
公开(公告)日:1931-06-02
申请号:US45499430
申请日:1930-05-23
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
IPC: G02C5/12
CPC classification number: G02C5/12
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公开(公告)号:US1751024A
公开(公告)日:1930-03-18
申请号:US18277027
申请日:1927-04-11
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
IPC: A61F9/02
CPC classification number: A61F9/025
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公开(公告)号:US1721168A
公开(公告)日:1929-07-16
申请号:US18273227
申请日:1927-04-11
Applicant: AMERICAN OPTICAL CORP
Inventor: TULLY GEORGE L , BAKER NELSON M
IPC: A61F9/02
CPC classification number: A61F9/028
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