Brief Citation: Barnes and Belding, Prismatic Reflector and Prismatic Lens (1995)
Full Citation: Barnes, Josh T. and Paul C. Belding. "Prismatic reflector and prismatic lens." U. S. Patent number: 5444606. Washington, DC: United States Patent and Trademark Office, 1995. http://www.uspto.gov/patft/index.html (16 May 2007).
