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公开(公告)号:US2630971A
公开(公告)日:1953-03-10
申请号:US24831951
申请日:1951-09-26
Applicant: VEEDER ROOT INC
Inventor: VROOM HAROLD B
IPC: G06M1/28
CPC classification number: G06M1/28
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公开(公告)号:US3261283A
公开(公告)日:1966-07-19
申请号:US39186664
申请日:1964-08-25
Applicant: VEEDER ROOT INC
Inventor: VROOM HAROLD B , JUHAS MICHAEL S
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公开(公告)号:US3147918A
公开(公告)日:1964-09-08
申请号:US17542962
申请日:1962-02-26
Applicant: VEEDER ROOT INC
Inventor: VROOM HAROLD B
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公开(公告)号:US2954925A
公开(公告)日:1960-10-04
申请号:US54864055
申请日:1955-11-23
Applicant: VEEDER ROOT INC
Inventor: BLISS HARVEY N , VROOM HAROLD B
IPC: G06M3/04
CPC classification number: G06M3/043
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公开(公告)号:US2665030A
公开(公告)日:1954-01-05
申请号:US15566550
申请日:1950-04-13
Applicant: VEEDER ROOT INC
Inventor: VROOM HAROLD B
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公开(公告)号:US3019974A
公开(公告)日:1962-02-06
申请号:US76036458
申请日:1958-09-11
Applicant: VEEDER ROOT INC
Inventor: BLISS HARVEY N , VROOM HAROLD B
IPC: G06M1/26
CPC classification number: G06M1/26
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公开(公告)号:US2461486A
公开(公告)日:1949-02-08
申请号:US70267546
申请日:1946-10-11
Applicant: VEEDER ROOT INC
Inventor: VROOM HAROLD B
IPC: G07F5/10
CPC classification number: G07F5/10
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公开(公告)号:US3053441A
公开(公告)日:1962-09-11
申请号:US75110558
申请日:1958-07-24
Applicant: VEEDER ROOT INC
Inventor: VROOM HAROLD B
IPC: G06M1/30
CPC classification number: G06M1/303 , Y10T74/1958
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公开(公告)号:US2840312A
公开(公告)日:1958-06-24
申请号:US34145653
申请日:1953-03-10
Applicant: VEEDER ROOT INC
Inventor: VROOM HAROLD B
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公开(公告)号:US2833477A
公开(公告)日:1958-05-06
申请号:US44105654
申请日:1954-07-02
Applicant: VEEDER ROOT INC
Inventor: BLISS HARVEY N , VROOM HAROLD B
IPC: G06M1/36
CPC classification number: G06M1/36
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