Number | Name | Date | Kind |
---|---|---|---|
1766425 | Brockway | Jun 1930 | |
3040366 | Vance | Jun 1962 | |
3688338 | Lundvall | Sep 1972 | |
3974541 | Silvis et al. | Aug 1976 | |
4037290 | Rose et al. | Jul 1977 | |
4095309 | Sundheim | Jun 1978 | |
4156952 | Lynch | Jun 1979 | |
4272861 | Notta et al. | May 1981 | |
4649594 | Grave | Mar 1987 |
Entry |
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Brochure--"RX-20 Rotary Jet Extration System" by HydraMaster Corporation--no date. |