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Mask ventilation assist device

D0862683 ยท 2019-10-08

    Inventors

    Cpc classification

    International classification

    Abstract

    Claims

    The ornamental design for a mask ventilation assist device, as shown and described.

    Description

    (1) FIG. 1 is a top view of a mask ventilation assist device, showing my new design;

    (2) FIG. 2 is a cross-sectional view taken along line 2-2 of FIG. 1; and,

    (3) FIG. 3 is an enlarged view of the portion encircled in FIG. 2.