IP Library Assignment 021915/0534
Patent Assignment
Reel/Frame 021915/0534

Assignment of Assignor's Interest

Recorded: 2008-12-02 Pages: 2
Assignor
YOAKUM, JOHN H.
Executed: 2008-11-05
Assignee
NORTEL NETWORKS LIMITED
2351 BOULEVARD ALFRED-NOBEL, ST. LAURENT, QUEBEC, H4S 2A9, CANADA
Covered Property (1)
Enhanced Channel Surfing
Application: 12/326,646 →
Publication: US 2010/0138864
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 28, 2011
From: NORTEL NETWORKS LIMITED
To: ROCKSTAR BIDCO, LP
Reel/Frame 027143/0717 →
Assignment of Assignor's Interest Mar 12, 2014
From: ROCKSTAR BIDCO, LP
To: ROCKSTAR CONSORTIUM US LP
Reel/Frame 032436/0804 →
Assignment of Assignor's Interest Feb 9, 2015
From: ROCKSTAR CONSORTIUM US LP; ROCKSTAR CONSORTIUM LLC; BOCKSTAR TECHNOLOGIES LLC; CONSTELLATION TECHNOLOGIES LLC
To: RPX CLEARINGHOUSE LLC
Reel/Frame 034924/0779 →