1. SPIE-Professional. Chuck Hull: Pioneer in Stereolithography;http://spie.org/x91418.xml(accessed September 27, 2013).
2. Hull, C. W.Apparatus for production of three-dimensional objects by stereolithography. U.S. Patent 4,575,330, March 11, 1986.
3. Hull, C. W.Method for production of three-dimensional objects by stereolithography. U.S. Patent 4,929,402, May 29, 1990.
4. Hull, C. W.; Spence, S. T.; Lewis, C. W.; Vinson, W. A.; Freed, R. S.; Smalley, D. R.Method of and apparatus for production of three-dimensional objects by stereolithography with reduced curl. U.S. Patent 5,104,592, April 14, 1992.
5. Hull, C. W.Method of and apparatus for production of three dimensional objects by stereolithography. U.S. Patent 5,236,637, August 17, 1993.