The invention relates to a multiple part recipe card kit and method of construction and use of duplicate recipe cards. The recipe card kit includes a plurality of superimposed, coextensive, carbonless recording sheets in combination with a plurality of water-resistent, transparent laminae corresponding...http://www.google.com.au/patents/US5861355?utm_source=gb-gplus-sharePatent US5861355 - Multiple part recipe card assembly and method of construction and use of duplicate laminated recipe cards
