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公开(公告)号:US2997539A
公开(公告)日:1961-08-22
申请号:US34911753
申请日:1953-04-16
Applicant: SERVO CORP OF AMERICA
Inventor: HENRY BLACKSTONE
IPC: H04N3/09
CPC classification number: H04N3/09
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公开(公告)号:US2929305A
公开(公告)日:1960-03-22
申请号:US45830154
申请日:1954-09-27
Applicant: SERVO CORP OF AMERICA
Inventor: HENRY BLACKSTONE
IPC: G03B41/02
CPC classification number: G03B41/026
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公开(公告)号:US2860179A
公开(公告)日:1958-11-11
申请号:US39434653
申请日:1953-11-25
Applicant: SERVO CORP OF AMERICA
Inventor: HENRY BLACKSTONE
IPC: H04N7/12
CPC classification number: H04N7/12
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公开(公告)号:US2914608A
公开(公告)日:1959-11-24
申请号:US33970153
申请日:1953-03-02
Applicant: SERVO CORP OF AMERICA
Inventor: HENRY BLACKSTONE
IPC: H04N3/02
CPC classification number: H04N3/02
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公开(公告)号:US2882783A
公开(公告)日:1959-04-21
申请号:US48735955
申请日:1955-02-10
Applicant: SERVO CORP OF AMERICA
Inventor: HENRY BLACKSTONE
CPC classification number: G01S11/12 , G01C5/005 , G01S13/587
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公开(公告)号:US2859653A
公开(公告)日:1958-11-11
申请号:US48960655
申请日:1955-02-21
Applicant: SERVO CORP OF AMERICA
Inventor: HENRY BLACKSTONE , WILLEY FRANK G
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