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公开(公告)号:US1918953A
公开(公告)日:1933-07-18
申请号:US39153729
申请日:1929-09-10
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:US1879780A
公开(公告)日:1932-09-27
申请号:US39705429
申请日:1929-10-03
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:US1838649A
公开(公告)日:1931-12-29
申请号:US43245030
申请日:1930-03-01
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
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公开(公告)号:US1827346A
公开(公告)日:1931-10-13
申请号:US39705329
申请日:1929-10-03
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:US1651501A
公开(公告)日:1927-12-06
申请号:US71503024
申请日:1924-05-22
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
IPC: B24B9/14
CPC classification number: B24B9/14
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公开(公告)号:US1608714A
公开(公告)日:1926-11-30
申请号:US2908025
申请日:1925-05-09
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M , FRANK FRASER
IPC: B29D12/02
CPC classification number: B29D12/02 , Y10T156/1005 , Y10T156/1036
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公开(公告)号:US1554901A
公开(公告)日:1925-09-22
申请号:US68553624
申请日:1924-01-11
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M , FRANK FRASER
CPC classification number: G02C5/00 , G02C5/16 , G02C5/18 , G02C2200/10
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公开(公告)号:US1093678A
公开(公告)日:1914-04-21
申请号:US1912694866
申请日:1912-05-03
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
CPC classification number: G02C5/12
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公开(公告)号:US1039069A
公开(公告)日:1912-09-17
申请号:US1911608290
申请日:1911-02-13
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
CPC classification number: G02C5/12
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公开(公告)号:US841919A
公开(公告)日:1907-01-22
申请号:US1905269308
申请日:1905-07-12
Applicant: AMERICAN OPTICAL CORP
Inventor: BAKER NELSON M
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