Invention Grant
- Patent Title: Feed mechanism for mixing-mills.
- Patent Title (中): 混合机的进料机构
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Application No.: US1913753157Application Date: 1913-03-10
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Publication No.: US1134172APublication Date: 1915-04-06
- Inventor: WELTON PARK E
- Applicant: KATHARINE B WELTON
- Assignee: Katharine B Welton
- Current Assignee: Katharine B Welton
- Priority: US1913753157 1913-03-10
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