Did You Know...
...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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| Number | Title | Issue Date |
| 7325864 | Rotating automotive grille assembly A rotating automotive grille assembly that produces a distinctive and unique appearance for the front end of a motor vehicle where a plurality of elongated bars rotates either by airflow or by a motor. ... | 02/05/2008 |
| 6044924 | Hot compressed gas powered vehicle An air powered drive system for a vehicle such as an automobile or a propeller driven aircraft. In a land vehicle air pumps are connected to drive, or be driven by, each wheel. At least two air storage tanks are connected to the air pumps. A fuel is burne... | 04/04/2000 |
