Inventors:
Pollard, Andrew (130 Dunval Road, Bridgnorth WV16 4LZ, GB)
Todd, Iain Michael (5 Isherwood DriveMarple, Stockport SK6 6JD, GB)
Archer, Geoffrey Philip (35 William StreetNorth SkeltonSaltburn by the Sea, Cleveland TS12 2AX, GB)
Powell, Gregory James Vincent (62 Rakeway RoadCheadle, Staffordshire ST10 1QH, GB)
Attorney, Agent or Firm:
Gee, Steven William (D.W. & S.W. GEE 1 South Lynn Gardens London Road, Shipston on Stour
Warwickshire CV36 4ER, GB)