Referenced by|
| US3991907 | 2 Jun 1975 | 16 Nov 1976 | | Solid merchandise dispensing system for mechanical or electrical control | | US5632408 | 21 Nov 1995 | 27 May 1997 | | Apparatus for securing and dispensing currency | | US5902984 | 2 Apr 1997 | 11 May 1999 | Mekatronikk A/S | Merchandise dispensing by exchange of subsequently validated card symbols for article | | US6598760 | 14 Aug 2001 | 29 Jul 2003 | Thetis Engineering Development (Pty) Ltd. | Dispenser | | US7311222 | 14 Oct 2003 | 25 Dec 2007 | Yuyama Mfg. Co., Ltd. | Drug dispenser | | US7389919 | 18 Oct 2004 | 24 Jun 2008 | Walker Digital, LLC | Products and processes for promoting multiple transactions at a retail establishment |
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