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公开(公告)号:US1895521A
公开(公告)日:1933-01-31
申请号:US46859830
申请日:1930-07-17
Applicant: AUTOGIRO CO OF AMERICA
Inventor: PITCAIRN HAROLD F , LARSEN AGNEW E
CPC classification number: B64C27/027
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公开(公告)号:US1892003A
公开(公告)日:1932-12-27
申请号:US55426831
申请日:1931-07-31
Applicant: AUTOGIRO CO OF AMERICA
Inventor: PECKER JOSEPH S
IPC: B64C27/12
CPC classification number: B64C27/12
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公开(公告)号:US1884848A
公开(公告)日:1932-10-25
申请号:US37337929
申请日:1929-06-24
Applicant: AUTOGIRO CO OF AMERICA
Inventor: PITCAIRN HAROLD F
IPC: B64C27/473
CPC classification number: B64C27/473
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公开(公告)号:US1884598A
公开(公告)日:1932-10-25
申请号:US49830130
申请日:1930-11-26
Applicant: AUTOGIRO CO OF AMERICA
Inventor: LA CIERVA JUAN DE
IPC: B64C27/02
CPC classification number: B64C27/021
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公开(公告)号:US1884596A
公开(公告)日:1932-10-25
申请号:US41538729
申请日:1929-12-20
Applicant: AUTOGIRO CO OF AMERICA
Inventor: LA CIERVA JUAN DE
IPC: B64C25/00
CPC classification number: B64C27/02 , B64C25/06 , B64C2025/005
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公开(公告)号:US2686019A
公开(公告)日:1954-08-10
申请号:US27563252
申请日:1952-03-08
Applicant: AUTOGIRO CO OF AMERICA
Inventor: SAMUEL SHAPIRO JACOB , KENNETH WATSON
IPC: B64C27/80
CPC classification number: B64C27/80
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公开(公告)号:US2659551A
公开(公告)日:1953-11-17
申请号:US68711546
申请日:1946-07-30
Applicant: AUTOGIRO CO OF AMERICA
Inventor: CAMPBELL HARRIS S
IPC: B64C27/80
CPC classification number: B64C27/80
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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:US2638990A
公开(公告)日:1953-05-19
申请号:US73858847
申请日:1947-04-01
Applicant: AUTOGIRO CO OF AMERICA
Inventor: PITCAIRN HAROLD F
IPC: B64C27/32
CPC classification number: B64C27/325 , Y10S415/914
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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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