Patent Assignment
Reel/Frame 014903/0211
Assignment of Assignor's Interest
Recorded: 2004-01-12
Pages: 3
Assignor
KNOOP, DALE
Executed: 2004-01-12
Assignee
SPRINT SPECTRUM L.P.
6450 SPRINT PARKWAY, OVERLAND PARK, KANSAS, 66251
Covered Property
(1)
Method and System for Automatically Tracking Phone Calls
Patent:
7,174,164 →
Application:
10/757,612 →
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 →