|
| US3933304 | 22 Feb 1974 | 20 Jan 1976 | Decoflex Limited | Bags for containing bank notes |
| US4120445 | 12 May 1976 | 17 Oct 1978 | Ludlow Corporation | Information-bearing article for conveying information which cannot be surreptitiously detected |
| US4273362 | 21 Apr 1978 | 16 Jun 1981 | Ludlow Corporation | Information-bearing article for conveying information which cannot be surreptitiously detected |
| US4709396 | 24 Dec 1985 | 24 Nov 1987 | John H. Harland Company | Tamper-evident envelope with indicia underlying cohesive layers |
| US4941196 | 1 Nov 1988 | 10 Jul 1990 | Kcl Corporation | Tamper evident bag |
| US4998666 | 31 Mar 1989 | 12 Mar 1991 | Frederick R. Ewan
Robert E. Ozimek | Tamper indicating containers and seals |
| US5294470 | 17 Aug 1992 | 15 Mar 1994 | | Tamper indicating containers and seals |
| US5510171 | 19 Jan 1995 | 23 Apr 1996 | Minnesota Mining and Manufacturing Company | Durable security laminate with hologram |
| US5658411 | 22 Dec 1995 | 19 Aug 1997 | Minnesota Mining and Manufacturing Company | Durable security laminate with hologram |
| US5683774 | 16 Feb 1996 | 4 Nov 1997 | Minnesota Mining and Manufacturing Company | Durable, tamper resistant security laminate |
| US5770283 | 29 Aug 1996 | 23 Jun 1998 | Minnesota Mining and Manufacturing Company | Tamper-indicating label |
| US6270256 | 29 Dec 1997 | 7 Aug 2001 | Sealed Air Corporation | Tamper evident bag |
| US6284337 | 23 Jun 1999 | 4 Sep 2001 | 3M Innovative Properties Company | Durable security laminate with heat-shrinkable layer |
| US7090397 | 3 Jun 2004 | 15 Aug 2006 | | Single use container |
| US7350687 | 23 Nov 2004 | 1 Apr 2008 | Pitney Bowes Inc. | Tamper resistant envelope |
