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公开(公告)号:US2174691A
公开(公告)日:1939-10-03
申请号:US5439035
申请日:1935-12-14
Applicant: IBM
Inventor: DOTY CHARLES R
CPC classification number: H04L25/42 , H04L25/4902
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公开(公告)号:US2138639A
公开(公告)日:1938-11-29
申请号:US8117836
申请日:1936-05-22
Applicant: IBM
Inventor: LEMMON WALTER S , DOTY CHARLES R , WALZ RICHARD F , HOLT ALBERT C
IPC: G09C3/00
CPC classification number: G09C3/02
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公开(公告)号:US2654432A
公开(公告)日:1953-10-06
申请号:US20287050
申请日:1950-12-27
Applicant: IBM
Inventor: DOTY CHARLES R
CPC classification number: G05B19/237
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公开(公告)号:US2637399A
公开(公告)日:1953-05-05
申请号:US17366150
申请日:1950-07-13
Applicant: IBM
Inventor: DOTY CHARLES R
CPC classification number: G05B19/237
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公开(公告)号:US2602509A
公开(公告)日:1952-07-08
申请号:US17160250
申请日:1950-07-01
Applicant: IBM
Inventor: DOTY CHARLES R , KLOTZ HERMAN J , KORANYE THEODORE D
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公开(公告)号:US2573317A
公开(公告)日:1951-10-30
申请号:US17366250
申请日:1950-07-13
Applicant: IBM
Inventor: DOTY CHARLES R
IPC: G06K13/077
CPC classification number: G06K13/077
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公开(公告)号:US2475315A
公开(公告)日:1949-07-05
申请号:US56786544
申请日:1944-12-12
Applicant: IBM
Inventor: DOTY CHARLES R
CPC classification number: G06K5/00
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38.Record controlled tape perforator with manually controlled tape perforating operations 失效
Title translation: 记录控制胶带穿孔机,手动控制胶带穿孔操作公开(公告)号:US2372887A
公开(公告)日:1945-04-03
申请号:US53391844
申请日:1944-05-03
Applicant: IBM
Inventor: DOTY CHARLES R
CPC classification number: G05B19/237
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公开(公告)号:US2343404A
公开(公告)日:1944-03-07
申请号:US48125943
申请日:1943-03-31
Applicant: IBM
Inventor: DOTY CHARLES R
IPC: H04L17/06
CPC classification number: H04L17/06
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公开(公告)号:US2285258A
公开(公告)日:1942-06-02
申请号:US32830540
申请日:1940-04-06
Applicant: IBM
Inventor: DOTY CHARLES R
IPC: B41J3/42
CPC classification number: B41J3/42
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