Patent Assignment
Reel/Frame 012880/0858
Assignment of Assignor's Interest
Recorded: 2002-05-10
Pages: 5
Assignors
CERAMI, ROBERT E.
Executed: 2002-04-24
ENSMINGER, JOHN D.
Executed: 2002-04-24
VAN NATTER, DOUGLAS C.
Executed: 2002-04-24
Assignee
BELLSOUTH INTELLECTUAL PROPERTY CORPORATION
SUITE 901, 824 MARKET STREET, WILMINGTON, DELAWARE, 19801
Covered Property
(1)
System and method for ensuring proper billing in a cellular telephone system
Application:
10/094,614 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 18, 2008
From: AT&T DELAWARE INTELLECTUAL PROPERTY INCORPORATED
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 021849/0118 →
Corrective Assignment to Correct the Serial Numbers and Assignee's Address Previously Recorded on Reel 021849 Frame 0118. Assignor(S) Hereby Confirms the Corrective Assignment.
Mar 31, 2009
From: AT&T DELAWARE INTELLECTUAL PROPERTY INCORPORATED
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 022473/0739 →