Invention Grant
- Patent Title: Drain valve
- Patent Title (中): 排水阀
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Application No.: US44177742Application Date: 1942-05-05
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Publication No.: US2336700APublication Date: 1943-12-14
- Inventor: PEPERSACK FRANCIS J
- Applicant: GLENN L MARTIN CO
- Assignee: Glenn L Martin Co
- Current Assignee: Glenn L Martin Co
- Priority: US44177742 1942-05-05
- Main IPC: F16T1/34
- IPC: F16T1/34
Information query
