Method and apparatus for filtering air entering an animal's...

Harness for working animal – Bonnet or shield – Nose guard

Reexamination Certificate

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Reexamination Certificate

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10910563

ABSTRACT:
A method and apparatus for filter air entering an animal's nostrils include a filtering element operatively disposed with a lower portion contacting the animal's nose region between the animal's nostrils and upper lip. A nose mask may be secured against the animal's nose region with adhesive or one or more stretchable bands extending around a portion of the head of the animal.

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