Patent Assignment
Reel/Frame 009712/0726
Assignment of Assignor's Interest
Recorded: 1999-01-25
Pages: 3
Assignee
AMERITECH CORPORATION
LEGAL DEPARTMENT, 2000 W. AMERITECH CENTER DR, HOFFMAN ESTATES, ILLINOIS, 60196
Covered Property
(1)
Pager with a Touch-Sensitive Display Screen and Method for Transmitting a Message Therefrom
Patent:
6,633,746 →
Application:
09/192,908 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 25, 2003
From: AMERITECH PROPERTIES, INC.
To: SBC HOLDINGS PROPERTIES, L.P.
Reel/Frame 013974/0542 →
Assignment of Assignor's Interest
Apr 25, 2003
From: AMERITECH CORPORATION
To: AMERITECH PROPERTIES, INC.
Reel/Frame 013986/0525 →
Assignment of Assignor's Interest
Apr 25, 2003
From: SBC HOLDINGS PROPERTIES, L.P.
To: SBC PROPERTIES, L.P.
Reel/Frame 014015/0689 →
Change of Name
Oct 26, 2017
From: SBC PROPERTIES, L.P.
To: SBC KNOWLEDGE VENTURES, L.P.
Reel/Frame 044298/0275 →
Change of Name
Oct 26, 2017
From: SBC KNOWLEDGE VENTURES, L.P.
To: AT&T KNOWLEDGE VENTURES, L.P.
Reel/Frame 044298/0283 →
Change of Name
Oct 26, 2017
From: AT&T KNOWLEDGE VENTURES, L.P.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 044298/0738 →