Wednesday - April 29, 2026

Layered Containment Features

2026-03-17

ALEXANDRIA, Virginia, March 17 -- DOUBLE DOUBLE D, LLC, Raleigh, North Carolina has been assigned a patent (No. US 12576619 B2, initially filed Sept. 23, 2022) developed by Daniel G. Doster, Waynesville, Ohio, and Michael A. DeBrosse, Dayton, Ohio, for "Layered containment features." . . .

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