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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Application No. | Application Title | Issue Date |
| 20080272246 | METHODS AND SYSTEMS FOR ACTIVE NOISE CANCELLATION Methods and systems for a cab signal system are provided. The system includes at least one inductive pickup coil assembly, and a cab signal receiver electrically coupled to the at least one inductive pickup coil assembly. The receiver is configured to receive amplitude ... | 11/06/2008 |
