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公开(公告)号:US2437550A
公开(公告)日:1948-03-09
申请号:US53313444
申请日:1944-04-28
Applicant: AMERICAN OPTICAL CORP
Inventor: PECK WILLIAM F , HARPER KENNARD W , ESTEY ROGER S
IPC: G01N21/29
CPC classification number: G01N21/29
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公开(公告)号:US2414871A
公开(公告)日:1947-01-28
申请号:US49132543
申请日:1943-06-18
Applicant: AMERICAN OPTICAL CORP
Inventor: HARPER KENNARD W
IPC: G01M11/00
CPC classification number: G01M11/00
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公开(公告)号:US2537584A
公开(公告)日:1951-01-09
申请号:US67542146
申请日:1946-06-08
Applicant: AMERICAN OPTICAL CORP
Inventor: HARPER KENNARD W
IPC: G03B23/14
CPC classification number: G03B23/14
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公开(公告)号:US2430779A
公开(公告)日:1947-11-11
申请号:US52756944
申请日:1944-03-22
Applicant: AMERICAN OPTICAL CORP
Inventor: PECK WILLIAM F , HARPER KENNARD W
CPC classification number: G02B23/18 , G02B7/1805
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5.Method of and apparatus for positioning reticules in optical instruments 失效
Title translation: 光学仪器中定位网状物的方法和装置公开(公告)号:US2427599A
公开(公告)日:1947-09-16
申请号:US49117043
申请日:1943-06-17
Applicant: AMERICAN OPTICAL CORP
Inventor: HARPER KENNARD W
IPC: G02B27/32
CPC classification number: G02B27/32 , Y10T29/49769
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公开(公告)号:US2810963A
公开(公告)日:1957-10-29
申请号:US42918254
申请日:1954-05-12
Applicant: AMERICAN OPTICAL CORP
Inventor: HARPER KENNARD W
CPC classification number: F41G11/005 , F41G11/001
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7.Method and apparatus for checking the accuracy of graduated circles of optical instruments 失效
Title translation: 检查光学仪器刻度圆精度的方法和装置公开(公告)号:US2433452A
公开(公告)日:1947-12-30
申请号:US48891143
申请日:1943-05-28
Applicant: AMERICAN OPTICAL CORP
Inventor: HARPER KENNARD W
CPC classification number: H03M1/00
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