Patent Assignment
Reel/Frame 009977/0085
Assignment of Assignor's Interest
Recorded: 1999-05-18
Pages: 2
Assignee
HITACHI TELECOM TECHNOLOGIES, LTD.
6, KANDA SURUGADAI 4-CHOME, CHIYODA-KU, TOKYO, JAPAN
Covered Property
(1)
Communication System, Exchange and Extension Call Processing Method
Patent:
6,714,640 →
Application:
09/272,354 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.