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A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.
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| Number | Title | Issue Date |
| 4322833 | Electronic timepiece having conductive face cover for implementing display function An electronic timepiece including timekeeping means, an electro-optical time display, and a circuit for setting the display is disposed within an electrically conductive case and an electrically conductive, optically transmissive face cover. A battery is ... | 03/30/1982 |
