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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 |
| 5148554 | Variable flush valve for a toilet A modified flapper valve for use in a toilet tank having a flexible extension structure attached at a first end to the valve and including a second end having at least one primary attachment point and a plurality of secondary attachment points, and a floa... | 09/22/1992 |
