发明授权
- 专利标题: Railroad-spike
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申请号: US26455118申请日: 1918-11-29
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公开(公告)号: US1332059A公开(公告)日: 1920-02-24
- 发明人: NORWOOD HARRY G
- 申请人: NAPOLEON B LOBE , BURNS BATCLIFFE S , TRADING AS N B LOBE & CO , EMIL J KLEMM , EDWARD WISCHMEYER JR
- 专利权人: Napoleon B Lobe,Burns Batcliffe S,Trading As N B Lobe & Co,Emil J Klemm,Edward Wischmeyer Jr
- 当前专利权人: Napoleon B Lobe,Burns Batcliffe S,Trading As N B Lobe & Co,Emil J Klemm,Edward Wischmeyer Jr
- 优先权: US26455118 1918-11-29
- 主分类号: E01B9/06
- IPC分类号: E01B9/06