发明授权
- 专利标题: Variable attenuator
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申请号: US58565645申请日: 1945-03-30
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公开(公告)号: US2510613A公开(公告)日: 1950-06-06
- 发明人: ERNST WEBER , GRIEMSMANN JOHN W E
- 申请人: POLYTECHNIC INST BROOKLYN
- 专利权人: New York University Polytechnic School of Engineering
- 当前专利权人: New York University Polytechnic School of Engineering
- 优先权: US58565645 1945-03-30
- 主分类号: H01P1/22
- IPC分类号: H01P1/22