Number | Name | Date | Kind |
---|---|---|---|
3777740 | Hokanson | Dec 1973 | |
4122427 | Karsh | Oct 1978 | |
4197856 | Northrop | Apr 1980 | |
5220922 | Barany | Jun 1993 |
Entry |
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Ogura et al "Respiration Flowmeter" International (European) Appln Publ. No. 0 051 293 published Dec. 5, 1982. |
Plant D. et al "Design & Construction of UTS Pneumotachometer", IEEE BME Trans. vol. BME-77 No. 10 Oct. 1980. |
Blumenfeld, W et al "A Coaxial UTS Pneumotachometer", Med & Biol Eng. v 13, No. 6 pp. 855-860, Nov. 1975. |