"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 6178362 | Energy management system and method An energy and facilities management system and method is provided for energy users with large physical plants which provides these energy users with a comprehensive understanding of the energy consumption of their physical plant and with the ability to ma... | 01/23/2001 |