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公开(公告)号:US2211067A
公开(公告)日:1940-08-13
申请号:US18042737
申请日:1937-12-17
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E
CPC classification number: B24B13/046 , B24B13/00
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公开(公告)号:US1721161A
公开(公告)日:1929-07-16
申请号:US1754625
申请日:1925-03-23
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E
IPC: B24B9/14
CPC classification number: B24B9/146
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公开(公告)号:US1662157A
公开(公告)日:1928-03-13
申请号:US919325
申请日:1925-02-14
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E
IPC: B24B9/14
CPC classification number: B24B9/14
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公开(公告)号:US1634952A
公开(公告)日:1927-07-05
申请号:US73077524
申请日:1924-08-07
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E
IPC: B24B13/02
CPC classification number: B24B13/02
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公开(公告)号:US1520662A
公开(公告)日:1924-12-23
申请号:US28906719
申请日:1919-04-10
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E , GUNNING WILLIAM A
IPC: B24B13/02
CPC classification number: B24B13/02
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公开(公告)号:US1496352A
公开(公告)日:1924-06-03
申请号:US40140220
申请日:1920-08-05
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E
IPC: B24B13/00
CPC classification number: B24B13/0031
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公开(公告)号:US1448695A
公开(公告)日:1923-03-13
申请号:US31838119
申请日:1919-08-18
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E
IPC: B24B9/14
CPC classification number: B24B9/146
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公开(公告)号:US1448694A
公开(公告)日:1923-03-13
申请号:US30935619
申请日:1919-07-08
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E
IPC: B24B13/005
CPC classification number: B24B13/005
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公开(公告)号:US1405424A
公开(公告)日:1922-02-07
申请号:US38280120
申请日:1920-05-20
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E
IPC: B24B13/02
CPC classification number: B24B13/02
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公开(公告)号:US1196572A
公开(公告)日:1916-08-29
申请号:US1914829255
申请日:1914-04-03
Applicant: AMERICAN OPTICAL CORP
Inventor: MAYNARD ALBERT E
IPC: B28D1/14
CPC classification number: B28D1/143 , Y10S29/057 , Y10S29/09 , Y10T408/46 , Y10T408/6786
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