Invention Grant
- Patent Title: Grain pick-up mechanism
- Patent Title (中): 谷物拾取机制
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Application No.: US39722329Application Date: 1929-10-04
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Publication No.: US1946692APublication Date: 1934-02-13
- Inventor: HARTLEY ARTHUR J
- Applicant: HARTLEY ARTHUR J
- Assignee: Arthur J Hartley
- Current Assignee: Arthur J Hartley
- Priority: US39722329 1929-10-04
- Main IPC: A01D89/00
- IPC: A01D89/00
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