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公开(公告)号:US2761521A
公开(公告)日:1956-09-04
申请号:US35156753
申请日:1953-04-28
Applicant: AUTOGIRO CO OF AMERICA
Inventor: GEORGE PULLIN CYRIL
IPC: B64C27/54
CPC classification number: B64C27/54
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公开(公告)号:US2673696A
公开(公告)日:1954-03-30
申请号:US74915647
申请日:1947-05-20
Applicant: AUTOGIRO CO OF AMERICA
Inventor: GEORGE PULLIN CYRIL , SAMUEL SHAPIRO JACOB
IPC: B64C27/18
CPC classification number: B64C27/18
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公开(公告)号:US2623711A
公开(公告)日:1952-12-30
申请号:US14737450
申请日:1950-03-03
Applicant: AUTOGIRO CO OF AMERICA
Inventor: GEORGE PULLIN CYRIL , KENNETH WATSON
IPC: B64C27/26
CPC classification number: B64C27/26
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公开(公告)号:US2317342A
公开(公告)日:1943-04-27
申请号:US32823240
申请日:1940-04-06
Applicant: AUTOGIRO CO OF AMERICA
Inventor: GEORGE PULLIN CYRIL
CPC classification number: B64C27/027
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公开(公告)号:US2303707A
公开(公告)日:1942-12-01
申请号:US31442140
申请日:1940-01-18
Applicant: AUTOGIRO CO OF AMERICA
Inventor: GEORGE PULLIN CYRIL
IPC: B64C27/02
CPC classification number: B64C27/021 , Y10T29/49321
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公开(公告)号:US2651480A
公开(公告)日:1953-09-08
申请号:US68687346
申请日:1946-07-29
Applicant: AUTOGIRO CO OF AMERICA
Inventor: GEORGE PULLIN CYRIL
IPC: B64C27/08
CPC classification number: B64C27/08
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公开(公告)号:US2579860A
公开(公告)日:1951-12-25
申请号:US76449347
申请日:1947-07-29
Applicant: AUTOGIRO CO OF AMERICA
Inventor: GEORGE PULLIN CYRIL , KENNETH WATSON
IPC: B64C27/54
CPC classification number: B64C27/54
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公开(公告)号:US2339877A
公开(公告)日:1944-01-25
申请号:US32823440
申请日:1940-04-06
Applicant: AUTOGIRO CO OF AMERICA
Inventor: GEORGE PULLIN CYRIL
IPC: B64C25/62
CPC classification number: B64C25/62 , B64C2025/325
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公开(公告)号:US2319781A
公开(公告)日:1943-05-25
申请号:US33717240
申请日:1940-05-25
Applicant: AUTOGIRO CO OF AMERICA
Inventor: GEORGE PULLIN CYRIL
IPC: B64C27/30
CPC classification number: B64C27/30
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公开(公告)号:US2788075A
公开(公告)日:1957-04-09
申请号:US26876952
申请日:1952-01-29
Applicant: AUTOGIRO CO OF AMERICA
Inventor: GEORGE PULLIN CYRIL , SAMUEL SHAPIRO JACOB
IPC: B64C27/82
CPC classification number: B64C27/82 , B64C2027/8218 , B64C2027/8236
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