Claims (1)
Claim 1 (Independent)
The ornamental design for a ventilation valve, as shown and described.
Full Description
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5 . 1 is a perspective view of a ventilation valve showing our new design;
5 . 2 is a side view thereof;
5 . 3 is another perspective view thereof; and
5 . 4 is a top view thereof.
The broken lines in the drawings depict portions of the ventilation valve that form no part of the claimed design.
Citations
This patent cites (27)
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