发明授权
- 专利标题： Methods and devices for muting a harmonica
- 专利标题（中）： 口琴静音的方法和装置
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申请号： US13866243申请日： 2013-04-19
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公开(公告)号： US08895825B2公开(公告)日： 2014-11-25
- 发明人: James F. Antaki
- 申请人： James F. Antaki
- 代理机构： Acker Wood IP Law, LLC
- 代理商 Gwen R. Acker Wood
- 主分类号： G10D3/12
- IPC分类号： G10D3/12 ; G10D7/12
摘要：
The present invention provides methods and devices for attenuating sound emanating from a harmonica when played while practicing or performing by a player. The methods and devices include a sound blocking and reflecting means and, optionally, a sound absorbing means.
公开/授权文献
- US20130276615A1 Methods and Devices for Muting a Harmonica 公开/授权日：2013-10-24
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