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 |
| 4613015 | Self energizing emergency brake and anti-side-skid apparatus One pair of emergency drag brake units are at each end of a vehicle. Each unit comprises a leg member with a serrate-toothed, ground-engageable foot telescopically movable in a support member carried by the frame. An elastic member is shown in one embodim... | 09/23/1986 |
| 4563022 | Vehicle suspension systems A vehicle suspension system for a pair of wheels has two torsionally stiff members each of which carries an axle for a respective wheel. The load on each wheel is supported by a gas spring to which relative movement of the wheel and vehicle body is transm... | 01/07/1986 |
| 4384950 | Demulsification of bitumen emulsions using branched water soluble quaternary ammonium-containing polymers A process for recovering bitumen from oil-in-water (o/w) emulsions is disclosed wherein water soluble demulsifiers are used. These demulsifiers are branched water-soluble quaternary ammonium-containing polymers. To resolve the bituminous petroleum emulsio... | 05/24/1983 |