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 |
| 5507531 | Seal enhancer for cylinder valve connection A cylinder valve outlet includes a bore with a large cylindrical entry leading to a tapered seat. A nipple with a cylindrical neck is fit into the large diameter entry of the bore of the valve outlet. The nipple further includes an arcuately convex mating... | 04/16/1996 |