Air Pressure Attenuation Device (LEPTA)

Michael Gormley (Inventor), David Campbell (Inventor)

Research output: Patent


An air pressure attenuation device for use in tall buildings.
Original languageEnglish
Patent number17000011.1 - 1614
Priority date27/02/17
Publication statusPublished - 4 Jan 2017


  • attenuation
  • air pressure
  • tall building
  • building drainage


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