|
| US4293068 | 2 Oct 1979 | 6 Oct 1981 | Focke & Co. | Multi-layered foil cigarette pack with strip sealed tear flap |
| US4505385 | 22 Sep 1982 | 19 Mar 1985 | Focke & Co. | Pouch pack for tobacco as well as a process and apparatus for making this |
| US4711349 | 23 Mar 1987 | 8 Dic 1987 | Focke & Co. | Pouch pack for tobacco as well as a process and apparatus for making this |
| US4785933 | 22 Jun 1987 | 22 Nov 1988 | Focke & Co., (GmbH & Co.) | Pouch produced from a flexible sheet blank |
| US5584580 | 24 Feb 1994 | 17 Dic 1996 | Uniflex, Inc. | Tamper-resistant envelope closure |
| US5641318 | 28 Abr 1995 | 24 Jun 1997 | Uniflex, Inc. | Method of forming a tamper resistant envelope closure |
| US5707002 | 21 Jun 1996 | 13 Ene 1998 | Canon Kabushiki Kaisha | Envelope for use in image forming apparatus |
| US6319510 | 22 Feb 2000 | 20 Nov 2001 | | Gum pad for delivery of medication to mucosal tissues |
| US8167487 | 30 Jul 2009 | 1 May 2012 | Milprint, Inc. | Secure access easy opening tamper evident feature for sealable bags |