Invention Grant
- Patent Title: Vehicle pull
- Patent Title (中): 车拉
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Application No.: US47969521Application Date: 1921-06-22
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Publication No.: US1519334APublication Date: 1924-12-16
- Inventor: JOHN ROLLI
- Applicant: JOHN ROLLI
- Assignee: Rolli John
- Current Assignee: Rolli John
- Priority: US47969521 1921-06-22
- Main IPC: B60B39/12
- IPC: B60B39/12
Information query
