"I think there is a world market for maybe five computers."
Thomas Watson, chairman of IBM ; 1943
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| Number | Title | Issue Date |
| 4266486 | Rail car door linkage A door linkage for a side dump railroad car operable to automatically lower the door on the low side of the car when the car body is tilted to dump its contents thereof.... | 05/12/1981 |
| 4141796 | Coke oven emission control method and apparatus Method and apparatus for receiving and transporting hot coke in a coke oven pushing operation and controlling emissions resulting therefrom comprising a one spot quench car having a receptacle which is tiltable to a coke receiving position, a travel and q... | 02/27/1979 |
| 3974909 | Tilting tray sorting conveyor A tilting tray sorting conveyor comprising a track, a plurality of carriers on said track, a conveyor interconnecting said carriers and adapted to be driven to move said carriers along said track. Each carrier has a tray pivotally mounted thereon about an... | 08/17/1976 |