...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 |
| 20110167710 | Trap A trap includes a generally U-shaped spring element with a first and a second arm extending in the same general direction, the arms ending in a set of jaws, the spring element implemented such that with the spring relaxed the jaw set is closed, a trigger linkage compris... | 07/14/2011 |
| 20060236590 | Triggering apparatus for rotating-frame animal trap A triggering apparatus for a rotating-frame animal trap including a collapsible enclosure capable of supporting the trap in set position in alignment with the enclosure entrance, the enclosure having a separate bait container mounted within its interior and a triggering... | 10/26/2006 |