发明授权
- 专利标题: Vibratory actuator.
- 专利标题(中): 振动执行器。
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申请号: US15874717申请日: 1917-03-30
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公开(公告)号: US1251681A公开(公告)日: 1918-01-01
- 发明人: MESSITER EDWIN H
- 申请人: ELECTRIC WEIGHING COMPANY
- 专利权人: Electric Weighing Company
- 当前专利权人: Electric Weighing Company
- 优先权: US1913784342 1913-08-12; US15874717 1917-03-30
公开/授权文献
- US10540634B1 Version recall for computerized database management 公开/授权日:2020-01-21
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