Patent Assignment
Reel/Frame 028243/0707
Assignment of Assignor's Interest
Recorded: 2012-05-21
Pages: 8
Assignee
AMERITECH CORPORATION
2000 WEST AMERITECH DRIVE, HOFFMAN ESTATES, ILLINOIS, 60196
Covered Properties
(2)
Location Information System for a Wireless Communication Device and Method Therefor
Location Information System for a Wireless Communication Device and Method Therefore
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
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: AMERITECH PROPERTIES, INC.
To: SBC HOLDINGS PROPERTIES, L.P.
Reel/Frame 028243/0831 →
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: AT&T INTELLECTUAL PROPERTY I, L.P.
To: WANTAGE TECHNOLOGIES LLC
Reel/Frame 028242/0424 →
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 →