U.S. Patent Office Issues Further Patent for Alternative Environmental Technologies' Sulfex™ Desulfurization Tech
December 28, 2021 08:45 ET
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Alternative Environmental Technologies Holdings Corp.
RENO, Nev., Dec. 28, 2021 (GLOBE NEWSWIRE) -- Alternative Environmental Technologies Holdings Corp. (AET) has just been issued U.S. Patent No. 11,198,824 by the U.S. Patent Office representing...