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| All Patents in class 62/418 | |||||
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| Number | Date | Patentee | Title | Type | |
| 632,356 | Sep. 05, 1899 | J.T. Ludlow | Cold-storage apparatus | refrigeration apparatus | |
| 1,109,396 | Sep. 01, 1914 | E. Bretney | Refrigerating apparatus | ||