...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 |
| 7195324 | Disc storage unit A disc storage unit includes a case, a tray supported by the case and configured to support an array of discs in respective parallel vertical planes across which respective coaxial axes of the discs pass horizontally. There is a disc-raising mechanism having a finge... | 03/27/2007 |