byCiting PatentFiling datePublication dateApplicantTitleUS3664089 *Nov 9, 1970May 23, 1972Keller & Co Masch CEquipment for forming a stack of bricks or other articles and for interleaving successive layers with thermoplastic film materialUS3685376 *Dec 22, 1970Aug 22, 1972Westinghouse Electric CorpApparatus for making a laminated fibrous stripUS3941367 *Mar 28, 1974Mar 2, 1976Stumpf GuenterFabric