Invention Grant
- Patent Title: Spring closure for molasses gates
- Patent Title (中): 糖蜜门的春季封闭
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Application No.: US75764224Application Date: 1924-12-23
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Publication No.: US1581941APublication Date: 1926-04-20
- Inventor: MARTIN WILLIS H
- Applicant: MARTIN WILLIS H
- Assignee: Willis H Martin
- Current Assignee: Willis H Martin
- Priority: US75764224 1924-12-23
- Main IPC: F16K13/02
- IPC: F16K13/02
Information query
