...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 |
| 7264582 | Pouch containers having advertising media and methods for their dissemination Improved methods of disseminating advertising messages to consumers are provided for. In particular, the subject invention provides for methods for disseminating manufacturer coupons to a target consumer group. The method comprises packaging a product in a pouch con... | 09/04/2007 |