An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.
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| Number | Title | Issue Date |
| 6631670 | Device and a unit for locking the sliding of the rod of a linear actuator The locking device comprises a plurality of rolling wedging members consisting of diablo-shaped rollers with two cylindrical end portions and an intermediate portion which is concave according to a generatrix in the form of an arc of circle whose radius c... | 10/14/2003 |