Slideshow: 18 novel pet food, treat designs

These pet food, treat and chew designs were granted patents by the US Patent and Trademark Office over the last few years. These include unique shapes to improve palatability, chew time and dental hygiene.

The pet chew designs featured above are a collection of dinosaur-shaped chews by Petmatrix LLC.  Click the button above to view all 18 of these innovative design patents.

Read more about product development, ingredients and formulation.