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公开(公告)号:US2165260A
公开(公告)日:1939-07-11
申请号:US15046237
申请日:1937-06-26
Applicant: IBM
Inventor: HERMAN LOUIS J
IPC: G06K15/04
CPC classification number: G06K15/04
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2.
公开(公告)号:US2573331A
公开(公告)日:1951-10-30
申请号:US1242848
申请日:1948-03-01
Applicant: IBM
Inventor: HERMAN LOUIS J
IPC: B41J3/38
CPC classification number: B41J3/38
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公开(公告)号:US2531886A
公开(公告)日:1950-11-28
申请号:US66169246
申请日:1946-04-12
Applicant: IBM
Inventor: MILLS ALBERT W , HERMAN LOUIS J
IPC: B41L45/00
CPC classification number: B41L45/00
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