Invention Grant
- Patent Title: Adjustable tractor front wheel tread
- Patent Title (中): 可调式拖拉机前轮胎面
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Application No.: US22782762Application Date: 1962-10-02
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Publication No.: US3216739APublication Date: 1965-11-09
- Inventor: DRENTER JOHN F
- Applicant: DRENTER JOHN F
- Assignee: John F Drenter
- Current Assignee: John F Drenter
- Priority: US22782762 1962-10-02
- Main IPC: B60B35/10
- IPC: B60B35/10
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