ALEXANDRIA, Va., April 2 -- United States Patent no. D1,069,176, issued on April 1, was assigned to Westblock Systems Inc. (Tacoma, Wash.).
"Wall block" was invented by Eric Hammer (Antioch, Tenn.) and James E. Hammer (Lake Forest Park, Wash.).
The patent was filed on June 14, 2023, under Application No. D/877,992.
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