. . . "2F Zimmermann & Co FaMethod and apparatus for packing vertically stacked coins, stamps and other stacked articles in a shrinking filmUS3772972 *20 Mar 197220 Nov 1973Taylor M LStackerUS3940946 *2 Oct 19742 Mar 1976General Signal CorporationUniversal jointUS4080079 *6 Jan 197721 Mar 1978Visi-Trol Engineering CompanyUniversal jointUS4098056 *18 Aug 19764 Jul 1978Glory Kogyo Kabushiki KaishaCoin pass" .