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 |
| 4257458 | Reed valve In a reed valve of the type having a base formed with one or more apertures through which flows a fluid, a shock absorbing seat attached to the upper surface of the base so as to surround the one or more apertures at the inner peripheral edge thereof, and... | 03/24/1981 |