Number | Name | Date | Kind |
---|---|---|---|
3736949 | Wolter et al. | Jun 1973 | |
3768468 | Cox | Oct 1973 | |
3910270 | Stewart | Oct 1975 | |
3976065 | Durkan | Aug 1976 | |
4054133 | Myers | Oct 1977 | |
4163450 | Kirk et al. | Aug 1979 | |
4323064 | Hoenig et al. | Apr 1982 | |
4381002 | Mon | Apr 1983 | |
4457303 | Durkan | Jul 1984 |
Entry |
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Auerbach et al., "A New Oxygen Cannula System Using Intermittent-Demand Nasal Flow", Chest, vol. 74, pp. 39-44, Jul. 1978. |