US Patent Issued to Infiltrator Water Technologies on March 4 for "Conical wall riser with interleaved tab connectors" (Connecticut Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,688, issued on March 4, was assigned to Infiltrator Water Technologies LLC (Old Saybrook, Conn.).

"Conical wall riser with interleaved tab connectors" was invented by Gregory Trude (Bristol, Conn.) and Paul R Holbrook (Old Saybrook, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A plastic article useful as a riser assembly for a septic tank or as part of another structure is comprised of a multiplicity of identical shape conical wall plastic risers. The risers are attached to each other at joints by tabs which engage rim segments; each end of the riser has alternating tabs and rim segments. A riser assembly wall undulates in the lengthwise dir...