(19)
(11)
EP 1 343 940 A1
(12)
(43)
Date of publication:
17.09.2003
Bulletin 2003/38
(21)
Application number:
00993942.2
(22)
Date of filing:
31.07.2000
(51)
International Patent Classification (IPC)
7
:
E02F
3/413
(86)
International application number:
PCT/US0020/687
(87)
International publication number:
WO 0201/0522
(
07.02.2002
Gazette 2002/06)
(84)
Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
(71)
Applicant:
Pratt, Samuel S.
Bedford, PA 15522 (US)
(72)
Inventor:
MILLER, John, C.
Hawthorn Woods, IL 49509 (US)
(74)
Representative:
Engelhardt, Harald
le Vrang & Engelhardt,Fliederstrasse 1
85139 Wettstetten
85139 Wettstetten (DE)
(54)
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