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公开(公告)号:US2222445A
公开(公告)日:1940-11-19
申请号:US18270337
申请日:1937-12-31
Applicant: AMERICAN OPTICAL CORP
Inventor: SIMONDS ROYAL H
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公开(公告)号:US2292165A
公开(公告)日:1942-08-04
申请号:US31191139
申请日:1939-12-30
Applicant: AMERICAN OPTICAL CORP
Inventor: SIMONDS ROYAL H
IPC: G02C5/12
CPC classification number: G02C5/124
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公开(公告)号:US1967434A
公开(公告)日:1934-07-24
申请号:US39156229
申请日:1929-09-10
Applicant: AMERICAN OPTICAL CORP
Inventor: SIMONDS ROYAL H
IPC: G02C1/08
CPC classification number: G02C1/08
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公开(公告)号:US1879827A
公开(公告)日:1932-09-27
申请号:US26598528
申请日:1928-03-30
Applicant: AMERICAN OPTICAL CORP
Inventor: SIMONDS ROYAL H
IPC: G02C1/02
CPC classification number: G02C1/02
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