ALEXANDRIA, Va., Sept. 8 -- United States Patent no. D1,147,458, issued on Sept. 8, was assigned to The Davey Tree Expert Co. (Kent, Ohio).
"Construction unit" was invented by Frederick Worth Creech (Raleigh, N.C.) and Mary-Margaret Sykes Mckinney (Edenton, N.C.).
The patent was filed on Oct. 21, 2024, under Application No. D/969,088.
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