U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.

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Class 370/309 - RESONANT TRANSFER SUBSTITUTES

Subclass of Class 370 - Multiplex communications
Definition: Subject matter utilizing techniques that strictly speaking
No. of patents: 0