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 |
| 6732841 | Block holder for a bogie brake A rail vehicle bogie brake has a brake beam (4, 5). Which at its end is provided with a brake block holder (8) having a brake block (9) for brake application against a tread of a wheel. The brake block holder has a transverse cylinder (19... | 05/11/2004 |