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Lord Kelvin, British mathematician and physicist ; 1897
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| Number | Title | Issue Date |
| 4357567 | Reversible motor A reversible linear motor has a coil arrangement arranged alongside a conductive body such as a rotatable aluminium disc. The coil arrangement is made up of three separate coils: namely an inner coil and two interconnected outer coils on opposite sides of... | 11/02/1982 |
| 4335809 | Entertainment machines A coin-freed player-operable entertainment machine is connected via a transmission link, such as a telephone line, to a remote control device. The link may be used to tramsmit program information to a control system of the machine so that the game to be p... | 06/22/1982 |
