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公开(公告)号:US2036026A
公开(公告)日:1936-03-31
申请号:US69558733
申请日:1933-10-28
Applicant: IBM
Inventor: DOTY CHARLES R
IPC: G01G23/18
CPC classification number: G01G23/18 , Y10S177/02
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公开(公告)号:US2884064A
公开(公告)日:1959-04-28
申请号:US51879655
申请日:1955-06-29
Applicant: IBM
Inventor: DOTY CHARLES R , SMITH ROY J
CPC classification number: G05B19/237
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23.Automatic zeros punching device under key and program card control 失效
Title translation: 自动零点冲孔装置在钥匙和程序卡控制下公开(公告)号:US2737241A
公开(公告)日:1956-03-06
申请号:US31524752
申请日:1952-10-17
Applicant: IBM
Inventor: DOTY CHARLES R
CPC classification number: G06K1/06
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公开(公告)号:US2425518A
公开(公告)日:1947-08-12
申请号:US51779744
申请日:1944-01-11
Applicant: IBM
Inventor: DOTY CHARLES R
IPC: G09C3/00
CPC classification number: G09C3/10
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公开(公告)号:US2391773A
公开(公告)日:1945-12-25
申请号:US57810745
申请日:1945-02-15
Applicant: IBM
Inventor: DOTY CHARLES R
CPC classification number: G06K1/06
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公开(公告)号:US2357460A
公开(公告)日:1944-09-05
申请号:US52468844
申请日:1944-03-02
Applicant: IBM
Inventor: DOTY CHARLES R
CPC classification number: G06F3/08
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公开(公告)号:US2261543A
公开(公告)日:1941-11-04
申请号:US27928339
申请日:1939-06-15
Applicant: IBM
Inventor: DOTY CHARLES R
IPC: H04L17/20
CPC classification number: H04L17/20
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公开(公告)号:US2237137A
公开(公告)日:1941-04-01
申请号:US21252638
申请日:1938-06-08
Applicant: IBM
Inventor: DOTY CHARLES R
IPC: H04L12/14
CPC classification number: H04L12/1439 , H04L12/14
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公开(公告)号:US2181989A
公开(公告)日:1939-12-05
申请号:US19024638
申请日:1938-02-12
Applicant: IBM
Inventor: DOTY CHARLES R
IPC: H04L25/49
CPC classification number: H04L25/4902
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