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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 |
| 5212644 | Incremental rate locker system The remote control units of a electronic centralized locker system are programmed with incremental rate parameters, such that the rental fee for each locker increases as the time period during which the locker is used increases. In order to implement the ... | 05/18/1993 |
