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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 |
| 4347938 | Running skyline intermediate support and multi-span carriage A yarder is employed with a running skyline provided with a carriage. The running skyline has an intermediate suspended support consisting of a hanger bar with a shoe pivotally connected to the lower end of the hanger bar by a transverse shaft. The shoe h... | 09/07/1982 |
| 3973680 | Devices for erecting a building from prefabricated sections Apparatus for erecting a prefabricated section building having two masts centered on either side of its foundation, the sections transported to loading areas adjacent and between each mast and the foundation. Cables connect the masts and support two indep... | 08/10/1976 |
