(19)
(11) EP 2 125 483 A2

(12)

(88) Date of publication A3:
21.08.2008

(43) Date of publication:
02.12.2009 Bulletin 2009/49

(21) Application number: 08727699.4

(22) Date of filing: 15.01.2008
(51) International Patent Classification (IPC): 
B61L 29/30(2006.01)
B61L 29/24(2006.01)
(86) International application number:
PCT/US2008/051099
(87) International publication number:
WO 2008/080175 (03.07.2008 Gazette 2008/27)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

(30) Priority: 22.12.2006 US 871609 P
15.01.2007 US 884930 P
26.12.2007 US 964606
26.12.2007 WO PCT/US2007/088849

(71) Applicant: Central Signal, LLC
Madison, WI 53713 (US)

(72) Inventors:
  • ASHRAF, Ahtasham
    Madison, WI 53711 (US)
  • BALDWIN, David
    Madison, WI 53711 (US)

(74) Representative: Harrison, Robert John 
24IP Law Group Sonnenberg Fortmann Herzogspitalstraße 10a
80331 München
80331 München (DE)

   


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