Invention Grant
- Patent Title: Compass and inclinometer
- Patent Title (中): 指南针和倾斜仪
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Application No.: US61652145Application Date: 1945-09-15
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Publication No.: US2513044APublication Date: 1950-06-27
- Inventor: PAGE HERBERT E
- Applicant: PAGE HERBERT E
- Assignee: Herbert E Page
- Current Assignee: Herbert E Page
- Priority: US61652145 1945-09-15
- Main IPC: G01C9/06
- IPC: G01C9/06
Information query
