Patent Assignment
Reel/Frame 027409/0456
Assignment of Assignor's Interest
Recorded: 2011-12-19
Pages: 8
Assignee
AMERITECH CORPORATION
2000 WEST AMERITECH DRIVE, HOFFMAN ESTATES, ILLINOIS, 60196
Covered Property
(1)
Location Information System for a Wireless Communication Device and Method Therefore
Related Assignments
(10)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Sep 11, 2009
From: SBC PROPERTIES, L.P.
To: AT&T INTELLECTUAL PROPERTY 1, L.P.
Reel/Frame 023220/0108 →
Assignment of Assignor's Interest
Feb 7, 2012
From: AMERITECH PROPERTIES, INC.
To: SBC HOLDINGS PROPERTIES, L.P.
Reel/Frame 027663/0246 →
Assignment of Assignor's Interest
Feb 7, 2012
From: AMERITECH CORPORATION
To: AMERITECH PROPERTIES, INC.
Reel/Frame 027663/0077 →
Assignment of Assignor's Interest
May 21, 2012
From: AMERITECH CORPORATION
To: AMERITECH PROPERTIES, INC.
Reel/Frame 028243/0767 →
Assignment of Assignor's Interest
May 21, 2012
From: SBC HOLDINGS PROPERTIES, L.P.
To: SBC PROPERTIES, L.P.
Reel/Frame 028243/0867 →
Assignment of Assignor's Interest
May 21, 2012
From: AMERITECH PROPERTIES, INC.
To: SBC HOLDINGS PROPERTIES, L.P.
Reel/Frame 028243/0831 →
Assignment of Assignor's Interest
May 21, 2012
From: AT&T INTELLECTUAL PROPERTY I, L.P.
To: WANTAGE TECHNOLOGIES LLC
Reel/Frame 028242/0424 →
Assignment of Assignor's Interest
May 21, 2012
From: WALSH, PATRICK JAY; KASCHKE, KEVIN DANIEL
To: AMERITECH CORPORATION
Reel/Frame 028243/0707 →
Assignment of Assignor's Interest
Jan 3, 2020
From: WANTAGE TECHNOLOGIES LLC
To: INTELLECTUAL VENTURES ASSETS 138 LLC
Reel/Frame 051413/0838 →
Assignment of Assignor's Interest
Dec 16, 2020
From: INTELLECTUAL VENTURES ASSETS 138 LLC
To: NORTHSTAR SYSTEMS LLC
Reel/Frame 054666/0104 →