-
公开(公告)号:US2569798A
公开(公告)日:1951-10-02
申请号:US45003242
申请日:1942-07-07
Applicant: IBM
Inventor: CARROLL FRED M
IPC: F41A9/76
CPC classification number: F41A9/76
-
公开(公告)号:US2493858A
公开(公告)日:1950-01-10
申请号:US46724442
申请日:1942-11-28
Applicant: IBM
Inventor: CARROLL FRED M , SMITH ARTHUR F
-
公开(公告)号:US2210567A
公开(公告)日:1940-08-06
申请号:US20433538
申请日:1938-04-26
Applicant: IBM
Inventor: CARROLL FRED M
IPC: B05C1/16
CPC classification number: B05C1/165
-
公开(公告)号:US2195849A
公开(公告)日:1940-04-02
申请号:US20592338
申请日:1938-05-04
Applicant: IBM
Inventor: CARROLL FRED M
CPC classification number: B65H29/06 , B26D1/62 , Y10T83/4696 , Y10T83/4705 , Y10T83/4836 , Y10T83/4844 , Y10T83/4847 , Y10T83/8776 , Y10T83/8796 , Y10T83/9396
-
公开(公告)号:US2174686A
公开(公告)日:1939-10-03
申请号:US3744335
申请日:1935-08-23
Applicant: IBM
Inventor: CARROLL FRED M
IPC: G06C11/08
CPC classification number: G06C11/08
-
公开(公告)号:US2131914A
公开(公告)日:1938-10-04
申请号:US8004436
申请日:1936-05-16
Applicant: IBM
Inventor: CARROLL FRED M , BAKELAAR JOHN H
CPC classification number: B41J3/50
-
公开(公告)号:US2063486A
公开(公告)日:1936-12-08
申请号:US66347233
申请日:1933-03-30
Applicant: IBM
Inventor: CARROLL FRED M
IPC: G06K13/073
CPC classification number: G06K13/073
-
公开(公告)号:US2000218A
公开(公告)日:1935-05-07
申请号:US30934328
申请日:1928-09-29
Applicant: IBM
Inventor: CARROLL FRED M
CPC classification number: B41J25/18
-
公开(公告)号:US1972977A
公开(公告)日:1934-09-11
申请号:US37919029
申请日:1929-07-18
Applicant: IBM
Inventor: CARROLL FRED M , BAKELAAR JOHN H
-
公开(公告)号:US2847105A
公开(公告)日:1958-08-12
申请号:US47939355
申请日:1955-01-03
Applicant: IBM
Inventor: CARROLL FRED M
IPC: B41J7/52
CPC classification number: B41J7/52
-
-
-
-
-
-
-
-
-