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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 |
| 4307664 | Plastic shot shell wad A plastic shot shell wad incorporating an improved cushioning mechanism. A cushioning effect is provided by connecting a wad with a shot cup by means of two levels of parallel walls separated by an intermediate planar member. A lower level of walls is con... | 12/29/1981 |
