Invention Grant
- Patent Title: Self-cleaning bootless grain elevator
- Patent Title (中): 自清洁无丝纹电梯
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Application No.: US47946855Application Date: 1955-01-03
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Publication No.: US2919792APublication Date: 1960-01-05
- Inventor: KIRKHART DALE W , TROY PETREE
- Applicant: KIRKHART DALE W , TROY PETREE
- Assignee: Dale W Kirkhart,Petree Troy
- Current Assignee: Dale W Kirkhart,Petree Troy
- Priority: US47946855 1955-01-03
- Main IPC: B65G45/00
- IPC: B65G45/00
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