Hershell Ball Swartzel, K. R., & Ball, H. R. (1992). Apparatus for pasteurizing liquid whole egg products. Washington, DC: U.S. Patent and Trademark Office. Swartzel, K. R., & Ball, H. R. (1991). Method for pasteurizing liquid whole egg products. Washington, DC: U.S. Patent and Trademark Office. Swartzel, K. R., Ball, H. R., & Hamid-Samimi, M.-H. (1991). Method for the ultrapasteurization of liquid whole egg. Washington, DC: U.S. Patent and Trademark Office. Swartzel, K. R., Ball, H. R., & Hamid-Samimi, M.-H. (1991). Method for the ultrapasteurization of liquid whole egg products. Washington, DC: U.S. Patent and Trademark Office. Swartzel, K. R., Ball, H. R., & Hamid-Samimi, M.-H. (1990). Method for the ultrapasteurization of liquid whole egg products. Washington, DC: U.S. Patent and Trademark Office. Swartzel, K. R., Ball, H. R., & Liebrecht, J. W. (1990). Ultrapasteurization of liquid whole egg products with direct heat. Washington, DC: U.S. Patent and Trademark Office. Swartzel, K. R., Ball, H. R., & Hamid-Samimi, M.-H. (1989). Method for the ultrapasteurization of liquid whole egg products. Washington, DC: U.S. Patent and Trademark Office.