Number | Name | Date | Kind |
---|---|---|---|
692919 | Schaumloeffel | Feb 1902 | |
2960218 | Cheeley | Nov 1960 | |
3033101 | Meyers | May 1962 | |
3093093 | Ryan et al. | Jun 1963 | |
3107587 | Tipton | Oct 1963 | |
3128724 | Linder | Apr 1964 | |
3128725 | Becker et al. | Apr 1964 | |
3179036 | Luker | Apr 1965 | |
3196777 | Luker | Jul 1965 | |
3262668 | Luker | Jul 1966 | |
3399858 | Luker | Sep 1968 | |
3943840 | Bolte | Mar 1976 | |
4156516 | Oliver | May 1979 | |
4452419 | Saleeba | Jun 1984 | |
5453287 | Close | Sep 1995 |
Number | Date | Country |
---|---|---|
WO9802045 | Jan 1998 | WO |
Entry |
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The Wiley Encyclopedia of Packaging Technology J. Wiley & Sons, pp 124-129, 1986. |