|
| US3960379 | 24 Feb 1975 | 1 Jun 1976 | | Children's game |
| US3978321 | 22 Ago 1974 | 31 Ago 1976 | | Portable hand-carried automobile counting device |
| US4316181 | 17 Nov 1980 | 16 Feb 1982 | | Theft prevention system for business machines |
| US4985695 | 9 Ago 1989 | 15 Ene 1991 | | Computer security device |
| US5196827 | 13 May 1991 | 23 Mar 1993 | | Alarm apparatus for handgun security |
| US5410295 | 22 Jul 1992 | 25 Abr 1995 | ICI Americas Inc. | Anti-theft system for currency stored in a vault |
| US5448223 | 28 Sep 1994 | 5 Sep 1995 | ICI Americas, Inc. | Currency alarm pack having receiver automatic gain hysteresis |
| US5515032 | 8 Feb 1995 | 7 May 1996 | ICI Americas Inc. | Alarm device |
| US5594419 | 11 Ene 1996 | 14 Ene 1997 | | Table-edge hanger |
| US6014747 | 30 Sep 1997 | 11 Ene 2000 | Intel Corporation | Method and apparatus for system's and chassis protection utilizing system management interrupts |
| US6177876 | 22 Mar 1999 | 23 Ene 2001 | | Pressure sensitive alarm component |
| 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 |
| US7737846 | 14 Dic 2006 | 15 Jun 2010 | Invue Security Products Inc. | Security system and method for protecting merchandise |
| US7969305 | 29 Abr 2010 | 28 Jun 2011 | InVue Security Products Inc. | Security system and method for protecting merchandise |