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公开(公告)号:US1611216A
公开(公告)日:1926-12-21
申请号:US4746625
申请日:1925-08-01
Applicant: MCDONALD LESLIE R
Inventor: MCDONALD LESLIE R
IPC: G09F11/06
CPC classification number: G09F11/06
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公开(公告)号:US1576201A
公开(公告)日:1926-03-09
申请号:US4190825
申请日:1925-07-07
Applicant: MCDONALD LESLIE R
Inventor: MCDONALD LESLIE R
IPC: G09F11/06
CPC classification number: G09F11/06
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公开(公告)号:US1576200A
公开(公告)日:1926-03-09
申请号:US60820822
申请日:1922-12-21
Applicant: MCDONALD LESLIE R
Inventor: MCDONALD LESLIE R
IPC: G09F11/06
CPC classification number: G09F11/06
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公开(公告)号:US1567281A
公开(公告)日:1925-12-29
申请号:US74853724
申请日:1924-11-08
Applicant: MCDONALD LESLIE R
Inventor: MCDONALD LESLIE R
IPC: G09F11/06
CPC classification number: G09F11/06
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公开(公告)号:US1987483A
公开(公告)日:1935-01-08
申请号:US45194530
申请日:1930-05-13
Applicant: MCDONALD LESLIE R
Inventor: MCDONALD LESLIE R
IPC: G01C19/44
CPC classification number: G01C19/44 , Y10T74/1282
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公开(公告)号:US1615467A
公开(公告)日:1927-01-25
申请号:US9187726
申请日:1926-03-03
Applicant: MCDONALD LESLIE R
Inventor: MCDONALD LESLIE R
IPC: G09F11/06
CPC classification number: G09F11/06
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公开(公告)号:US1610208A
公开(公告)日:1926-12-07
申请号:US6591225
申请日:1925-10-31
Applicant: MCDONALD LESLIE R
Inventor: MCDONALD LESLIE R
IPC: H01J5/08
CPC classification number: H01J5/08
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公开(公告)号:US1586566A
公开(公告)日:1926-06-01
申请号:US74985724
申请日:1924-11-14
Applicant: MCDONALD LESLIE R
Inventor: MCDONALD LESLIE R
IPC: G09F11/34
CPC classification number: G09F11/34
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公开(公告)号:US1393230A
公开(公告)日:1921-10-11
申请号:US37281420
申请日:1920-04-10
Applicant: MCDONALD LESLIE R
Inventor: MCDONALD LESLIE R
IPC: G11B3/095
CPC classification number: G11B3/0955
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公开(公告)号:US1750642A
公开(公告)日:1930-03-18
申请号:US28771928
申请日:1928-06-23
Applicant: MCDONALD LESLIE R
Inventor: MCDONALD LESLIE R
IPC: G09F11/34
CPC classification number: G09F11/34
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