Patent Assignment
Reel/Frame 015549/0528
Assignment of Assignor's Interest
Recorded: 2004-07-01
Pages: 3
Assignor
STUDTMANN, JOEL MARK
Executed: 2004-06-30
Assignee
SPRINT COMMUNICATIONS COMPANY, LP
6391 SPRINT PARKWAY, OVERLAND PARK, KANSAS, 66251-2100
Covered Property
(1)
System and Method for Analyzing Transmission of Billing Data
Patent:
7,573,831 →
Application:
10/882,731 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Grant of First Priority and Junior Priority Security Interest in Patent Rights
Mar 6, 2017
From: SPRINT COMMUNICATIONS COMPANY L.P.
To: DEUTSCHE BANK TRUST COMPANY AMERICAS
Reel/Frame 041895/0210 →
Termination and Release of First Priority and Junior Priority Security Interest in Patent Rights
Apr 2, 2020
From: DEUTSCHE BANK TRUST COMPANY AMERICAS
To: SPRINT COMMUNICATIONS COMPANY L.P.
Reel/Frame 052969/0475 →