|
| US4391081 | 8 Sep 1980 | 5 Jul 1983 | Hayssen Manufacturing Company | Method of and apparatus for forming, filling and sealing packages |
| US4423585 | 20 Ago 1981 | 3 Ene 1984 | Rexham Corporation | Package forming apparatus and method |
| US4532753 | 18 Feb 1983 | 6 Ago 1985 | Hayssen Manufacturing Company | Method of and apparatus for forming, filling and sealing packages |
| US4617781 | 12 Dic 1984 | 21 Oct 1986 | International Playtex, Inc. | Polypropylene wrap end seals and process for making same |
| US5400565 | 14 Jun 1993 | 28 Mar 1995 | Pacmac, Inc. | Vertical form, fill and seal packaging machine for making recloseable product filled bags |
| US5505037 | 14 Dic 1994 | 9 Abr 1996 | Pacmac, Inc. | Vertical form, fill and seal machine for making recloseable bags |
| US5768852 | 4 Abr 1996 | 23 Jun 1998 | Pacmac, Inc. | Vertical form, fill and seal machine, components and method for making reclosable bags |
| US5930983 | 4 Mar 1997 | 3 Ago 1999 | Pacmac, Inc. | Form, fill and seal packaging machine with bag squeezer and method |
| US6029428 | 22 Dic 1997 | 29 Feb 2000 | Pacmac, Inc. | Convertible form, fill and seal packaging machine |
| US6047521 | 22 Jun 1998 | 11 Abr 2000 | Pacmac, Inc. | Vertical form, fill and seal machine for making reclosable bags |
| US6553744 | 21 Ago 2000 | 29 Abr 2003 | Pacmac, Inc. | Packaging machine |
