...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 |
| 7653595 | Controlled entertainment spending account A computer-based method for allocating parental funds in preestablished accounts for use by children, including the steps of: providing a bank or credit account containing parental funds for allocation to at least one child; ... | 01/26/2010 |