...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 |
| 5675843 | Helmet visor attachment apparatus A helmet visor attachment apparatus is disclosed including an attachment protrusion with a semi-ball portion on the free end thereof on each side of the visor removably attachable to the helmet with a mounting plate which has an opening therethrough small... | 10/14/1997 |