发明授权
- 专利标题: Type-bar mechanism for type-writers.
- 专利标题(中): TYPE-BAR机制类型写作。
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申请号: US1906348297申请日: 1906-12-17
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公开(公告)号: US879123A公开(公告)日: 1908-02-11
- 发明人: SMITH GEORGE A
- 申请人: JAMES W HENNESSEY , ARTHUR LETTS , FREDERICK H WARD , SMITH GEORGE A
- 专利权人: James W Hennessey,Arthur Letts,Frederick H Ward,George A Smith
- 当前专利权人: James W Hennessey,Arthur Letts,Frederick H Ward,George A Smith
- 优先权: US1906348297 1906-12-17
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