United States Patent 0793259

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Primary Class:
206/229
Other Classes:
222/183, 16/111.100, 206/277, 15/105, 132/311, 15/184, 220/288, 206/38, 206/37, 401/124, 222/105, 220/8
International Classes:
A46B11/00; A46B17/04; A46B17/00