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 |
| 7281477 | Security apparatus A security device for transporting monies from a cash acceptance terminal to a bank or similar safe location includes a note tube and a pair of flexible bags containing dye. Cutters operated by explosive devices when an unauthorised attempt is made to break into the... | 10/16/2007 |
