Number | Name | Date | Kind |
---|---|---|---|
2463297 | Muskat et al. | Mar 1949 | |
2703079 | Argento | Mar 1955 | |
2982855 | Wickersham | May 1961 | |
3103627 | Schneider | Sep 1963 | |
3373357 | Keenan et al. | Mar 1968 | |
3762221 | Coulthard | Oct 1973 | |
3939406 | Billeter et al. | Feb 1976 | |
3952246 | Sprott et al. | Apr 1976 | |
3956695 | Stamm | May 1976 |
Number | Date | Country |
---|---|---|
607133 | May 1978 | SUX |
Entry |
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D. A. Ellerbruch-"Microwave Methods for Cryogenic Liquid & Slush Instrumentation", IEEE Trans. on Inst. and Meas., vol. 1M-19, No. 4, Nov. 1970, pp. 412-416. |
D. W. Griffen, "Development in Microwave Instrumentation for Ind. Process Control", Elec. Instrumentation Conf., May 1972, pp. 180-185. |