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Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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| Number | Title | Issue Date |
| 6116354 | Rotary steerable system for use in drilling deviated wells A rotary steerable system for use in a drill string for drilling a deviated well is disclosed. The system utilizes a mechanical gravity reference device comprising an unbalanced weight which may rotate independently of the rotation of the drill string so ... | 09/12/2000 |
