Invention Grant
- Patent Title: Helicopter rotor mounting and drive
- Patent Title (中): 直升机转子安装和驱动
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Application No.: US53654744Application Date: 1944-05-20
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Publication No.: US2440225APublication Date: 1948-04-20
- Inventor: GEORGE PULLIN CYRIL
- Applicant: GEORGE PULLIN CYRIL
- Assignee: Pullin Cyril George
- Current Assignee: Pullin Cyril George
- Priority: GB2440225X 1943-05-18
- Main IPC: B64C27/12
- IPC: B64C27/12
Information query
