- 专利标题: Rail-fastening device.
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申请号: US1914820172申请日: 1914-02-21
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公开(公告)号: US1101180A公开(公告)日: 1914-06-23
- 发明人: HAMMERSCHMIDT ANTHONY F
- 申请人: HAMMERSCHMIDT ANTHONY F
- 专利权人: Anthony F Hammerschmidt
- 当前专利权人: Anthony F Hammerschmidt
- 优先权: US1913804185 1913-12-02; US1914820172 1914-02-21