发明授权
- 专利标题: Lantern-hook.
- 专利标题(中): LANTERN-HOOK
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申请号: US16902517申请日: 1917-05-16
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公开(公告)号: US1255071A公开(公告)日: 1918-01-29
- 发明人: WINN HARRY JOHN
- 申请人: WINN HARRY JOHN
- 专利权人: Harry John Winn
- 当前专利权人: Harry John Winn
- 优先权: US16902517 1917-05-16
公开/授权文献
- US11301035B1 Method and device for video presentation 公开/授权日:2022-04-12
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