Invention Grant
- Patent Title: Trailer coupling
- Patent Title (中): 拖车联轴器
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Application No.: US50686531Application Date: 1931-01-06
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Publication No.: US1858785APublication Date: 1932-05-17
- Inventor: FERDINAND MILLER
- Applicant: INT MOTOR CO
- Assignee: Int Motor Co
- Current Assignee: Int Motor Co
- Priority: US50686531 1931-01-06
- Main IPC: B60D1/02
- IPC: B60D1/02
Information query
