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Nortel Networks Inc

Nortel Net

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
EP0084709A1	Embedded servo track following system and method for writin…	Expired / Lapsed	1982-11-30	—	39	Details
EP0034938A2	A servo system and method for positioning a read/write tran…	Expired / Lapsed	1981-02-23	—	19	Details
US3914747A	Memory having non-fixed relationships between addresses and…	Expired / Lapsed	1974-02-26	1975-10-21	83	Details
US3760375A	Source data entry terminal	Expired / Lapsed	1971-07-26	1973-09-18	51	Details