(19)
(11)
EP 0 824 646 A1
(12)
(43)
Date of publication:
25.02.1998
Bulletin 1998/09
(21)
Application number:
95914901.0
(22)
Date of filing:
27.03.1995
(51)
International Patent Classification (IPC):
F16L
37/
12
( . )
F16L
37/
084
( . )
F16L
37/
098
( . )
F16L
11/
04
( . )
F16L
37/
092
( . )
(86)
International application number:
PCT/US1995/003798
(87)
International publication number:
WO 1996/030688
(
03.10.1996
Gazette 1996/44)
(84)
Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE
(71)
Applicant:
PROPRIETARY TECHNOLOGY, INC.
Bloomfield Hills, MI 48302-7048 (US)
(72)
Inventor:
BARTHOLOMEW, Donald, D.
Mt. Clemens, MI 48045 (US)
(74)
Representative:
Price, Nigel John King
J.A. KEMP & CO. 14 South Square Gray's Inn
London WC1R 5LX
London WC1R 5LX (GB)
(54)
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