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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 |
| 5771772 | Drive devices A drive device for the breech mechanism of a gun comprises driving and driven members connected to first and second elements, respectively wherein one of the elements is movable with respect to the other. The driven and driving members are separable as th... | 06/30/1998 |
| 4411188 | Device for speed control of cylinder piston, particularly useful for a firearm In a device for achieving speed control of a cylinder piston in relation to the cylinder, or vice versa, flow control means (12, 32) are utilized, and also cam profiles (15, 16 and 26, 27). The flow control means are composed of two constant flow valves (... | 10/25/1983 |
