Number | Name | Date | Kind |
---|---|---|---|
2424693 | Jones | Jul 1947 | |
2611709 | Plagge | Sep 1952 | |
2920967 | Heinemann | Jan 1960 | |
2967777 | Grindrod | Jan 1961 | |
3204825 | Underwood | Sep 1965 | |
3407078 | Schlichter | Oct 1968 | |
3715860 | Esty | Feb 1973 | |
4001443 | Dave | Jan 1977 | |
4055931 | Myers | Nov 1977 | |
4061785 | Nishino et al. | Dec 1977 | |
4066401 | Solomon | Jan 1978 | |
4168597 | Cayton | Sep 1979 | |
4209538 | Woodruff | Jun 1980 | |
4224347 | Woodruff | Sep 1980 | |
4411921 | Woodruff | Oct 1983 | |
4454945 | Jabarin | Jun 1984 | |
4813791 | Cullen et al. | Mar 1989 | |
4840271 | Garwood | Jun 1989 | |
5093080 | Keller | Mar 1992 |
Number | Date | Country |
---|---|---|
0253434 | Jan 1988 | EPX |
60-126032 | Jul 1985 | JPX |
764796 | Jan 1957 | GBX |
1378140 | Dec 1974 | GBX |
Entry |
---|
Wiley Encyclopedia of Packaging Technology J. Wiley & Sons 1986 pp. 24-29, 66-81. |
Packaging, Japan Nov. 1985 pp. 17-22. |
Chemical Engineering vol. 64, No. 4 p. 106. |
Modern Packaging Aug. 1941 pp. 44, 45. |