(19)
(11)
EP 0 316 442 A1
(12)
(43)
Date of publication:
24.05.1989
Bulletin 1989/21
(21)
Application number:
88906300.0
(22)
Date of filing:
02.06.1988
(51)
International Patent Classification (IPC):
G01N
21/
25
( . )
G01J
3/
12
( . )
G01N
21/
35
( . )
(86)
International application number:
PCT/US1988/001831
(87)
International publication number:
WO 1988/009920
(
15.12.1988
Gazette 1988/27)
(84)
Designated Contracting States:
DE FR GB IT
(30)
Priority:
05.06.1987
US 19870058550
(71)
Applicant:
TREBOR INDUSTRIES, INC.
Gaithersburg, MD 20879 (US)
(72)
Inventors:
ROSENTHAL, Robert, D.
Gaithersburg, MD 20879 (US)
ROSENTHAL, Glenn Keith
Germantown, MD 20874 (US)
(74)
Representative:
Schick, Carl
Isler & Pedrazzini AG Patentanwälte Postfach 6940
CH-8023 Zürich
CH-8023 Zürich (CH)
(54)
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