发明授权
- 专利标题: Piano key covers formed of ivory substitute and pianos having same
- 专利标题(中): 盖制成仿象牙为钢琴键,这包含钢琴罩
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申请号: EP91304488.9申请日: 1991-05-17
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公开(公告)号: EP0457619B1公开(公告)日: 1996-01-24
- 发明人: Calabrese, Salvadore J. , Scarton, Henry A. , Murray, Frank S. , Ettles, Christopher M. , Kennedy, Warren C. , Dinc, Saim , Jlidi, Bessem , Strong, William Y.
- 申请人: STEINWAY MUSICAL PROPERTIES, INC. , RENSSELAER POLYTECHNIC INSTITUTE
- 申请人地址: 800 South Street Waltham, Massachusetts 02154-1439 US
- 专利权人: STEINWAY MUSICAL PROPERTIES, INC.,RENSSELAER POLYTECHNIC INSTITUTE
- 当前专利权人: STEINWAY MUSICAL PROPERTIES, INC.,RENSSELAER POLYTECHNIC INSTITUTE
- 当前专利权人地址: 800 South Street Waltham, Massachusetts 02154-1439 US
- 代理机构: Jump, Timothy John Simon
- 优先权: US525468 19900518
- 主分类号: G10C3/12
- IPC分类号: G10C3/12
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