Did You Know...
...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 4491602 | Apparatus and process for cooking food An apparatus and process is provided for cooking food which comprises advancing the food through a cooking oil bath in a tank. The oil is circulated by jet tubes through the tank at high speed to produce turbulence. This removes particles from heating sur... | 01/01/1985 |
