Invention Grant
- Patent Title: Autorotative wing aircraft
- Patent Title (中): 自动翼飞机
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Application No.: US61447632Application Date: 1932-05-31
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Publication No.: US1996750APublication Date: 1935-04-09
- Inventor: LA CIERVA JUAN DE
- Applicant: AUTOGIRO CO OF AMERICA
- Assignee: Autogiro Co Of America
- Current Assignee: Autogiro Co Of America
- Priority: GB1996750X 1931-06-12
- Main IPC: B64C27/02
- IPC: B64C27/02
Information query
