ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,308, issued on March 24, was assigned to Ohio Gratings Inc. (Canton, Ohio).
"Universal anchor for use with a grating frame" was invented by Ryan Christopher Hallgren (Clinton, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A grate frame assembly including an embed grate frame and an anchor which is installed on the embed grate frame onsite without tools or welding. The embed grate frame includes a main body, a protrusion, and a leg. The anchor has a body with a support end and an attachment end. The attachment end is selectively engaged with the protrusion. The leg of the embed grate frame is configured to engage a concrete form. The support e...