Patent Assignment
Reel/Frame 018928/0644
Assignment of Assignor's Interest
Recorded: 2007-02-23
Pages: 3
Assignor
KHAN, SAFWAN A.
Executed: 2007-02-21
Assignee
NEXTEL COMMUNICATIONS, INC.
2001 EDMUND HALLEY DRIVE, RESTON, VIRGINIA, 20191
Covered Property
(1)
Method and System for Providing Presence Information Related to a Communications Network
Patent:
8,306,057 →
Application:
11/678,371 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Grant of First Priority and Junior Priority Security Interest in Patent Rights
Mar 3, 2017
From: NEXTEL COMMUNICATIONS, INC.
To: DEUTSCHE BANK TRUST COMPANY AMERICAS
Reel/Frame 041882/0911 →
Termination and Release of First Priority and Junior Priority Security Interest in Patent Rights
Apr 1, 2020
From: DEUTSCHE BANK TRUST COMPANY AMERICAS
To: NEXTEL COMMUNICATIONS, INC.
Reel/Frame 052291/0497 →