Claims (1)
Claim 1 (Independent)
The ornamental design for an air filtration device, as shown and described.
Full Description
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FIG. 1 is a perspective view of a first embodiment of an air filtration device;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines shown represent unclaimed portions of the air filtration device and form no part of the claimed design.
Citations
This patent cites (8)
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