@misc{tomasino_chiklis_sakhrani_2007, title={Scratch resistant gradient coating and coated articles}, volume={7,264,669}, number={2007}, publisher={Washington, DC: U.S. Patent and Trademark Office}, author={Tomasino, C. and Chiklis, C. and Sakhrani, V.}, year={2007} }
 @misc{wear-resistant polymeric articles and methods of making the same_2003, volume={6,582,823}, number={2003 June 24}, publisher={Washington, DC: U.S. Patent and Trademark Office}, year={2003}, month={Jun} }