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公开(公告)号:US1672573A
公开(公告)日:1928-06-05
申请号:US67472723
申请日:1923-11-14
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E
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公开(公告)号:US1666713A
公开(公告)日:1928-04-17
申请号:US15458426
申请日:1926-12-13
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E
IPC: B24B57/00
CPC classification number: B24B57/00
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公开(公告)号:US1248145A
公开(公告)日:1917-11-27
申请号:US9766716
申请日:1916-05-15
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E
CPC classification number: C03B33/04
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公开(公告)号:US1191905A
公开(公告)日:1916-07-18
申请号:US1914844572
申请日:1914-06-11
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E
CPC classification number: B24B13/005
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公开(公告)号:US2209605A
公开(公告)日:1940-07-30
申请号:US20402938
申请日:1938-04-25
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E
IPC: B24B9/14
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公开(公告)号:US1666746A
公开(公告)日:1928-04-17
申请号:US71642324
申请日:1924-05-28
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E
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公开(公告)号:US1637024A
公开(公告)日:1927-07-26
申请号:US2578525
申请日:1925-04-25
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E
IPC: G01B5/22
CPC classification number: G01B5/22
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公开(公告)号:US1490178A
公开(公告)日:1924-04-15
申请号:US32096419
申请日:1919-08-30
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E , GUNNING WILLIAM A
IPC: B24B9/14
CPC classification number: B24B9/14
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公开(公告)号:US1386068A
公开(公告)日:1921-08-02
申请号:US38030220
申请日:1920-05-10
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E
CPC classification number: B29D12/02 , B29C53/083 , B29C2793/009 , B29L2023/22
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公开(公告)号:US2222538A
公开(公告)日:1940-11-19
申请号:US20402738
申请日:1938-04-25
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E
IPC: B28D1/14
CPC classification number: B28D1/143 , Y10T408/21 , Y10T408/385 , Y10T408/5614 , Y10T409/309016
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