Invention Grant
- Patent Title: Float-operated valve
- Patent Title (中): 浮动阀
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Application No.: US55920822Application Date: 1922-05-08
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Publication No.: US1496317APublication Date: 1924-06-03
- Inventor: JOHNSON CLARENCE B
- Applicant: J H NININGER , JOSEPH LANG
- Assignee: J H Nininger,Joseph Lang
- Current Assignee: J H Nininger,Joseph Lang
- Priority: US55920822 1922-05-08
- Main IPC: F16K31/24
- IPC: F16K31/24
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