"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 7294063 | Swing training aid The present invention is directed to a training aid which may be used with a playing device such as a golf club or baseball bat. Embodiments of the present invention may be temporarily attached to a playing device and modify how a person holds, or grips, the playing... | 11/13/2007 |