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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 |
| 7231821 | Vertical liquid level measuring device A system for actuating an indicator in response to a depth change in a liquid that is confined to a container comprises a housing, a float constrained to vertical movement in response to changes in liquid depth in the container, a drive rod arranged to rotate in res... | 06/19/2007 |
| 7188521 | Horizontal liquid level measuring system A liquid level measuring system includes a housing mounted to a container and a flexible coupling connected between the housing and a tubular frame suspended in a container holding a liquid. The flexible coupling maintains the tubular frame in a vertical orientation... | 03/13/2007 |
| 7043986 | Vibrators and vibratory gyroscopes A vibrator for generating a signal for measuring a physical quantity using a vibrator is provided, including at least one bending vibration arm vibrating in bending mode along a specified plane and having a first end, an opposed second end, and first and second main... | 05/16/2006 |
| 6523404 | Apparatus for measuring a fluid level An apparatus for measuring a fluid level in a tank comprises a housing including a level indicator for displaying a measured fluid level in the tank. A rod extends from the housing and a float is adapted to travel along the rod. A first end of an elongate... | 02/25/2003 |
| 4339950 | Counting mechanism attachment for a fuel tank A fuel tank attachment which records the cumulative amount of fuel involved in successive fillings of the tank and also the fuel consumed between fillings, using two digital counters for this purpose, each being of the type that adds in one direction and ... | 07/20/1982 |
| 4129039 | Dual gauge indicating device A dual gauge device for simultaneously indicating the quantity of liquid in a container and the amount of liquid that has been added to the container during a selected period of time irrespective of the amount of liquid withdrawn from the container during... | 12/12/1978 |
