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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 |
| 7641471 | Piezoelectric lighter with increased security A piezoelectric type of lighter, with a flame generation device (30), including a gas jet release mechanism (36) and a piezoelectric mechanism for generation of a spark (50), characterized in that the lighter includes two actuators (32, 34 | 01/05/2010 |
