Invention Grant
- Patent Title: Navigating instrument for craft and pilot guidance
- Patent Title (中): 导航工具和飞行员指导仪器
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Application No.: US73503047Application Date: 1947-03-15
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Publication No.: US2532402APublication Date: 1950-12-05
- Inventor: HERBOLD ROBERT J
- Applicant: LAFAYETTE M HUGHES
- Assignee: Lafayette M Hughes
- Current Assignee: Lafayette M Hughes
- Priority: US73503047 1947-03-15; US2939948 1948-05-26
- Main IPC: G01C21/00
- IPC: G01C21/00 ; G01S3/786 ; G05D1/02
Information query
