"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 7094190 | Tool pot A tool pot according to the present invention includes an inner wall structure and an outer wall structure that constitute a circumferential wall of a tool attachment hole of the tool pot. The inner wall structure is located at least toward an opening end of the att... | 08/22/2006 |