IP Library › Assignment 013635/0059
Patent Assignment
Reel/Frame 013635/0059

Assignment of Assignor's Interest

Recorded: 2002-12-23 Pages: 2
Assignor
ZERRESSEN, DIETER
Executed: 2002-12-20
Assignee
QWEST COMMUNICATIONS INTERNATIONAL INC.
1801 CALIFORNIA STREET, SUITE 3800, LAW DEPARTMENT, DENVER, COLORADO, 80202-2658
Covered Property (1)
Systems and Methods for Determining Critical Circuit Diversity
Patent: 7,236,587 →
Application: 10/328,399 →
Publication: US 2004/0120513
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest Nov 1, 2017
From: QWEST COMMUNICATIONS INTERNATIONAL INC.
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 044652/0829 →
Notes Security Agreement Jan 24, 2020
From: QWEST COMMUNICATIONS INTERNATIONAL INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 051692/0646 →
Release of Security Interest Mar 25, 2024
From: COMPUTERSHARE TRUST COMPANY, N.A, AS SUCCESSOR TO WELLS FARGO BANK, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
To: QWEST COMMUNICATIONS INTERNATIONAL INC.
Reel/Frame 066885/0917 →