Patent Assignment
Reel/Frame 015171/0155
Assignment of Assignor's Interest
Recorded: 2004-03-31
Pages: 3
Assignor
CHOW, JERRY
Executed: 2004-03-30
Assignee
NORTEL NETWORKS LIMITED
2351 BOULEVARD ALFRED-NOBEL, ST. LAURENT QUEBEC, H4S 2A9, CANADA
Covered Property
(1)
Memory protection systems and methods for writable memory
Application:
10/813,003 →
Publication:
US 2004/0255145
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 11, 2014
From: ROCKSTAR BIDCO, LP
To: ROCKSTAR CONSORTIUM US LP
Reel/Frame 032425/0867 →
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 →