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公开(公告)号:US1966025A
公开(公告)日:1934-07-10
申请号:US59089432
申请日:1932-02-04
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
IPC: G02C1/08
CPC classification number: G02C1/08
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公开(公告)号:US1946346A
公开(公告)日:1934-02-06
申请号:US39435629
申请日:1929-09-21
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
IPC: G02C5/04
CPC classification number: G02C5/045
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公开(公告)号:US1943910A
公开(公告)日:1934-01-16
申请号:US19901327
申请日:1927-06-15
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
IPC: A61F9/02
CPC classification number: A61F9/028
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公开(公告)号:US1936746A
公开(公告)日:1933-11-28
申请号:US43820430
申请日:1930-03-22
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
IPC: A61F9/02
CPC classification number: A61F9/028
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公开(公告)号:US1923566A
公开(公告)日:1933-08-22
申请号:US31814928
申请日:1928-11-09
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
IPC: A61F9/02
CPC classification number: A61F9/026
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公开(公告)号:US1647722A
公开(公告)日:1927-11-01
申请号:US67715923
申请日:1923-11-26
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
IPC: B24D5/16
CPC classification number: B24D5/16
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公开(公告)号:US1282022A
公开(公告)日:1918-10-22
申请号:US1610915
申请日:1915-03-22
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M , STYLL HARRY H
CPC classification number: B24B27/065
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公开(公告)号:US1241903A
公开(公告)日:1917-10-02
申请号:US1914829248
申请日:1914-04-03
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
CPC classification number: G02C3/00
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公开(公告)号:US1180631A
公开(公告)日:1916-04-25
申请号:US1914840748
申请日:1914-05-25
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
CPC classification number: G02C5/12
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公开(公告)号:US1099111A
公开(公告)日:1914-06-02
申请号:US1908457119
申请日:1908-10-10
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
CPC classification number: G02C5/12
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