Number | Name | Date | Kind |
---|---|---|---|
3767422 | Levitz | Oct 1973 | A |
4511585 | Durst | Apr 1985 | A |
4904493 | Petrizzelli | Feb 1990 | A |
5178893 | Seewi et al. | Jan 1993 | A |
5366744 | Drummond et al. | Nov 1994 | A |
5384139 | Vasseneix | Jan 1995 | A |
5624697 | Lin et al. | Apr 1997 | A |
6039994 | Leflecher et al. | Mar 2000 | A |
Number | Date | Country |
---|---|---|
0443219 | Aug 1991 | EP |
0868850 | Oct 1998 | EP |
Entry |
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The Wiley Encyclopedia of Packaging Technology, 1986, p. 218-221. |