CIENA CORP

1201 WINTERSON ROAD, LINTHICUM MD 21090, 4108658500
TELEPHONE & TELEGRAPH APPARATUS

1998 SEC Filings

CIENA CORP, 10-K, 1998-12-10
CIENA CORP, 8-K, 1998-10-19
CIENA CORP, 4, 1998-10-14
CIENA CORP, 8-K, 1998-09-15
CIENA CORP, 10-Q, 1998-09-14
CIENA CORP, 8-K, 1998-09-14
CIENA CORP, 8-K, 1998-08-28
CIENA CORP, 8-K, 1998-08-24
CIENA CORP, 8-K, 1998-08-14
CIENA CORP, 8-K, 1998-06-23
CIENA CORP, 8-K, 1998-06-03
CIENA CORP, 10-Q, 1998-05-21
CIENA CORP, S-8, 1998-05-12
CIENA CORP, 10-Q, 1998-02-19
CIENA CORP, DEF 14A, 1998-02-06
CIENA CORP, PRER14A, 1998-01-30
CIENA CORP, PRE 14A, 1998-01-29


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