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Method and system for remote reporting, particularly for pay television billing
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Inserting television advertising spots automatically
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Remote programming of CATV channel authorization unit
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5015829
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5237311
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February 4, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
