Number | Name | Date | Kind |
---|---|---|---|
3793887 | Anderson et al. | Feb 1974 | |
3846075 | Cioffi | Nov 1974 | |
4274285 | Purgold | Jun 1981 | |
4336721 | Curtis | Jun 1982 | |
4377949 | Tucker et al. | Mar 1983 | |
4454773 | Brunner et al. | Jun 1984 | |
4704910 | Conrad | Nov 1987 | |
4813984 | Griffis | Mar 1989 | |
5011517 | Cage et al. | Apr 1991 |
Number | Date | Country |
---|---|---|
3257364 | Nov 1991 | JPX |
215591 | Apr 1968 | SUX |
Entry |
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Lourence et al., "Flexible Bags Collect Gas Samples", Control Engineering, vol. 14 #9, Sep. 1967, p. 105. |