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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 |
| 7493710 | Snowplow with pivoting sideblades The left and right sideblades are hinged to the mainblade about vertical axes, and can pivot each through 180°. The sideblades are rotated by means of left and right hydraulic rotary actuators. The actuator includes a piston formed with helical splines, which drive... | 02/24/2009 |
| 5815957 | Snowplow snow channeler Device relating to a paired set of snow spoons mounted at or near the ends of a snowplow blade, featuring alternative two-position emplacements and an optional street-side obstruction buffer.... | 10/06/1998 |
| 4962600 | Wing assembly for use with a plow blade A wing assembly is mountable to a plow blade driven in a direction of travel by a vehicle, and preferably left and right wing assemblies are respectively mounted on the left and right side edges of the plow blade. A representative wing assembly provides a... | 10/16/1990 |
