发明授权
- 专利标题: Obstetrical forceps.
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申请号: US1910576464申请日: 1910-08-10
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公开(公告)号: US1010176A公开(公告)日: 1911-11-28
- 发明人: POST FRED
- 申请人: CHARLES SUMMER ALLEN , POST FRED
- 专利权人: Charles Summer Allen,Fred Post
- 当前专利权人: Charles Summer Allen,Fred Post
- 优先权: US1910576464 1910-08-10
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