Invention Grant
- Patent Title: Service connection for pipe-mains.
- Patent Title (中): 用于管道的维修连接。
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Application No.: US1909494244Application Date: 1909-05-06
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Publication No.: US937958APublication Date: 1909-10-26
- Inventor: PHILLIPS WILLIAM N
- Applicant: PHILLIPS WILLIAM N
- Assignee: William N Phillips
- Current Assignee: William N Phillips
- Priority: US1909494244 1909-05-06
- Main IPC: F16L41/06
- IPC: F16L41/06
Information query
