发明名称 Method of masking and unmasking a dental face mask
摘要 For a mouth-covering dental face mask supported by elastic loops which mask during use on occasion has to be moved to a clearance or mouth-uncovered position to permit discourse between the patient and dentist, the use of eyeglasses both for supporting the elastic loops and also for conveniently masking and unmasking the dentist correlated to the taking off and putting on the eyeglasses.
申请公布号 US6116903(A) 申请公布日期 2000.09.12
申请号 US19990406638 申请日期 1999.09.27
申请人 ZEGARELLI, PETER J.;STEINBERG, MITCHELL 发明人 ZEGARELLI, PETER J.;STEINBERG, MITCHELL
分类号 A41D13/11;(IPC1-7):A61C5/14 主分类号 A41D13/11
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