...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Application No. | Application Title | Issue Date |
| 20090020562 | Device for feeding a product, in particular an infusion product, to a packaging machine A device (1) for feeding a product, in particular an infusion product, to a packaging machine is of the type comprising means (2, 6) for collecting and transporting the product and means (8) for conveying the product itself. The conveying means (... | 01/22/2009 |