Johann Walter Schwank,Jan Anders Akervall,Valarie Thomas,Timothy Huang
申请号：
US15179015
公开号：
US09550106B1
申请日:
2016.06.10
申请国别(地区):
US
年份:
2017
代理人:
摘要：
An energy absorbing mouth guard is provided with several sets of open spaces. The sets are arranged in the guard at preferred locations. At least some of the sets have arrays of open spaces, where the arrays are arranged in a triangular pattern. Each array in the triangular pattern has three open spaces.
