Invention Grant
- Patent Title: Conveyer-hopper.
- Patent Title (中): 输送机
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Application No.: US1911651661Application Date: 1911-09-27
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Publication No.: US1036993APublication Date: 1912-08-27
- Inventor: GARDNER HOWARD S
- Applicant: GARDNER HOWARD S
- Assignee: Howard S Gardner
- Current Assignee: Howard S Gardner
- Priority: US1911651661 1911-09-27
Information query
