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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 |
| 4186665 | Locomotive engine housing arrangement A diesel-engined rail shunting locomotive is provided which combines a very high level of noise insulation with excellent accessibility to the engine and associated apparatus. The locomotive is adapted for remote control by radio, and also has at least on... | 02/05/1980 |
| 4121495 | Car key hole bolt fastening assembly An assembly is provided for blind hole mounting an external appurtenance including safety appliances such as ladder rungs, hand holds, and walkways on a railway freight car. One or more key hole slots are provided through the surface of the car where the ... | 10/24/1978 |
| 4067264 | Locomotive cab running boards A rail-borne shunting locomotive, to be operated through radio control by a driver as he moves around the locomotive, has a central power plant compartment, a cabin at each end adjacent the power plant compartment, gangways on each side extending alongsid... | 01/10/1978 |
