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A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
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| Number | Title | Issue Date |
| 4637349 | Boiler cycling controller In a system for controlling a number of central heating boilers of large capacity having means for switching-off each boiler when the flow temperature reaches a predetermined maximum, the temperature at which each boiler is switched on again can be automa... | 01/20/1987 |
| 4189094 | Control of heating and ventilation systems A control system is provided which automatically varies the degree of ventilation of an indoor swimming pool in response to variations in the outside temperature and comprises separate speed-regulating means for each of the fan-driving motors, each speed-... | 02/19/1980 |
