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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 |
| 3955847 | Wheelchair hold down assembly A person seated in a wheelchair or other wheeled patient carrier is enabled to board a vehicle while remaining in the carrier. A hold down device secured to the vehicle floor restrains the carrier against movement regardless of acceleration or emergency b... | 05/11/1976 |
