Inventor

BARRATT STEPHEN D

US4 patents

⚠️ This page may combine multiple inventors who share the name “BARRATT STEPHEN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV NEBRASKA

1 patent

US7220077B2May 22, 2007

Traffic noise barrier system

UNIV NEBRASKA47 citations88

CYRO IND

1 patent

US7104720B2Sep 12, 2006

Traffic noise barrier system

CYRO IND40 citations88

EVONIK CYRO LLC

1 patent

US7546900B2Jun 16, 2009

Panel assembly for traffic noise barrier wall

EVONIK CYRO LLC14 citations77

HUMPHRIES ERIC C

1 patent

US8616331B2Dec 31, 2013

Panel assembly for traffic noise barrier wall

HUMPHRIES ERIC C4 citations50