|
| US3933231 | 12 Ago 1974 | 20 Ene 1976 | | Automatic workshop installation |
| US4155457 | 12 Sep 1977 | 22 May 1979 | DiOrio Enterprises, Inc. | Anti-pilferage display case |
| US4993561 | 22 Dic 1988 | 19 Feb 1991 | Design Sciences International, Inc. | Merchandising system |
| US7053774 | 10 Sep 2004 | 30 May 2006 | Alpha Security Products, Inc. | Alarming merchandise display system |
| US7385522 | 30 Nov 2005 | 10 Jun 2008 | InVue Security Products Inc. | Portable alarming security device |
| US7629895 | 31 Oct 2007 | 8 Dic 2009 | InVue Security Products Inc. | Portable alarming security device |