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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 |
| 5398771 | Grain Drill A grain drill is disclosed having a folding frame for parallel operation and a parallel link system that controls the tension to earth openers in order to produce relatively constant downward pressure for the openers. The grain drill includes a rotating t... | 03/21/1995 |
| 3991831 | Combination post-plowing cultivating implement and field drag A field drag particularly adapted for use in conjunction with a post-plowing cultivating implement includes a mounting bar section pivotally secured to the frame of the implement and extending in a rearward direction behind the implement. A plurality of s... | 11/16/1976 |
