Number | Name | Date | Kind |
---|---|---|---|
3091096 | Rendos et al. | May 1963 | |
4881374 | Mattiola et al. | Nov 1989 | |
4881375 | Mattiola et al. | Nov 1989 | |
4887857 | VanOmmeren | Dec 1989 | |
5107906 | Swenson et al. | Apr 1992 | |
5325894 | Kooy et al. | Jul 1994 | |
5373702 | Kalet et al. | Dec 1994 | |
5520000 | Pevzner | May 1996 |
Entry |
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Computerized Cylinder Filling Technology, Carlson, CryoGas International, Aug./Sep., 1993, pp. 12-15. |