Invention Grant
- Patent Title: Pressure responsive valve device
- Patent Title (中): 压力响应阀装置
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Application No.: US56086644Application Date: 1944-10-28
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Publication No.: US2546678APublication Date: 1951-03-27
- Inventor: ROCKWELL EDWARD A
- Applicant: ROCKWELL EDWARD A
- Assignee: Edward A Rockwell
- Current Assignee: Edward A Rockwell
- Priority: US56086644 1944-10-28
- Main IPC: F16K1/02
- IPC: F16K1/02 ; F16K24/06
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