ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,869, issued on Dec. 23, was assigned to TRACTEL INC. U.S.A. (Houston).
"Railing base for a safety railing structure, guardrails" was invented by Jacek Tadus (Longmont, Colo.) and Keith Yiu Tung Tong (Toronto).
According to the abstract* released by the U.S. Patent & Trademark Office: "A railing base includes one rail post receptor and one counterweight receptor. The rail post receptor accommodates 1-4 railing posts. The counterweight receptor includes a hollow bottom allowing water drainage. The rail post receptor includes four upper receiving holes open towards the top, each configured to receive by insertion and to hold upright a railing post of a guardrail. The counterweight r...