ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,798, issued on Aug. 25, was assigned to KleanTu LLC (Bridgeville, Pa.).
"Multiple chamber septic tank with a plurality of large and small access ports" was invented by John R. Smith (Pittsburgh), Ron Keffer (Harrison City, Pa.), Robert Horger (Harrison City, Pa.), Andrew C. Middleton (Mount Sidney, Va.), Robin L. Weightman (Murrysville, Pa.), Peter Goodale (Vineyard Haven, Mass.) and Richard Donahue (Edgartown, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A septic tank system includes a multiple compartmented (or chambered) supplemental tank. The supplemental tank has a cover/lid with a plurality of strategically situated access holes (both ...