EInstruction Seeks ITC Probe Over Teaching System
The complaint, lodged Tuesday, accuses Promethean of importing products that infringe U.S. Patent Number 6,930,673 B2, in violation Section 337 of the Tariff Act.
The '673 patent covers a teaching system in which the teacher poses a question to students on a display hooked up to a personal computer. The students respond to the...
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