Smart airbrick, 1 of 2 Designer (Organisation) Eco Coverage Technologies Manufacturer Eco Coverage Technologies Date 2022 (circa)
Collapsible cone Designer (Organisation) Quazar International Manufacturer Quazar International Date 2023 (circa)
Mellor signal head pin Designer (Person) Mellor, David Manufacturer Plessey Manufactured for Somerset County Council Date 1990 - 1998 (circa)
Smart airbrick, 2 of 2 Designer (Organisation) Eco Coverage Technologies Manufacturer Eco Coverage Technologies Date 2022 (circa)