EARPLUG
- 专利权人:
- 发明人:
- Tyson LAWRENCE
- 申请号：
- US15806061
- 公开号：
- US20180125717A1
- 申请日:
- 2017.11.07
- 申请国别(地区):
- US
- 年份:
- 2018
- 代理人:
- 摘要：
- Devices, apparatus, systems and methods to regulate pressure in earplug are disclosed. Some embodiments provide auditory attenuation and others may further include communications capability. The devices and apparatus are well-suited for use by divers and pilots in particular.
- 来源网站：
- 中国工程科技知识中心
