发明授权
- 专利标题: Rail-anchor.
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申请号: US17496017申请日: 1917-06-15
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公开(公告)号: US1240674A公开(公告)日: 1917-09-18
- 发明人: CLAWSON CHARLES F
- 申请人: JOHN T CORCORAN , JOHN C BAKER , CLAWSON CHARLES F
- 专利权人: John T Corcoran,John C Baker,Charles F Clawson
- 当前专利权人: John T Corcoran,John C Baker,Charles F Clawson
- 优先权: US17496017 1917-06-15
公开/授权文献
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