Number | Name | Date | Kind |
---|---|---|---|
2129097 | Morgan | Sep 1938 | |
2158869 | Sperzel | May 1939 | |
2227168 | Wexler | Dec 1940 | |
2239886 | Feldbush et al. | Apr 1941 | |
3304733 | Coffman | Feb 1967 | |
4102392 | Schneider | Jul 1978 |
Entry |
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Villers R, "Water refrigerating machine" Sep. 1926, from Refrigerating Engineering p. 105. |