(19)
(11) EP 0 681 711 A1

(12)

(43) Date of publication:
15.11.1995 Bulletin 1995/46

(21) Application number: 94907325.0

(22) Date of filing: 25.01.1994
(51) International Patent Classification (IPC): 
B23K 26/ 06( . )
G02C 7/ 04( . )
G02B 5/ 18( . )
G02C 7/ 06( . )
(86) International application number:
PCT/US1994/000918
(87) International publication number:
WO 1994/017435 (04.08.1994 Gazette 1994/18)
(84) Designated Contracting States:
AT BE DE DK ES FR GB IE IT NL

(30) Priority: 27.01.1993 GB 19930001614

(71) Applicant: PILKINGTON BARNES HIND, INC.
Sunnyvale, California 94086-5200 (US)

(72) Inventor:
  • FREEMAN, Michael, H.
    Clwyd LL16 3BW (GB)

(74) Representative: BROOKES & MARTIN 
High Holborn House 52/54 High Holborn
London, WC1V 6SE
London, WC1V 6SE (GB)

   


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