ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,577, issued on Sept. 9.
"Securable temporary manhole or catch basin cover" was invented by Paul Garabedian Jr. (Salem, N.H.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An improved securable temporary manhole or catch basin cover is disclosed herein. In one embodiment, the cover comprises a central segment attached to an inflatable element, which may be a bladder, tube, or tire. In another embodiment, an apron and/or a caulking layer is provided for the protection of the cover. Depending on the embodiment, the cover may be used with or without the apron and/or the caulking layer. In an alternate embodiment, the central segment comprises a plurali...