IP Library › Assignment 015425/0453
Patent Assignment
Reel/Frame 015425/0453

Assignment of Assignor's Interest

Recorded: 2004-12-06 Pages: 4
Assignors
HALLIN, CHRISTER
Executed: 2004-08-30
LENDENMANN, HEINZ
Executed: 2004-08-27
Assignee
ABB AB INCORPORATED
KOPPARBERGSVAGEM 2, SE-72183, SWEDEN
Covered Property (1)
Silicon Carbide Semiconductor Structures Including Multiple Epitaxial Layers Having Sidewalls
Patent: 7,109,521 →
Application: 10/929,911 →
Publication: US 2005/0205872
Related Assignments (5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 6, 2004
From: SUMAKERIS, JOSEPH JOHN
To: CREE, INC.
Reel/Frame 015425/0418 →
Assignment of Assignor's Interest Jan 13, 2005
From: ABB AB INCORPORATED
To: CREE, INC.
Reel/Frame 015591/0180 →
Confirmatory License Nov 30, 2006
From: CREE INCORPORATED
To: NAVY, SECRETARY OF THE UNITED STATES OF AMERICA
Reel/Frame 018649/0017 →
Security Interest Jun 30, 2023
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION
Reel/Frame 064185/0755 →
Release of Security Interest in Intellectual Property Collateral at Reel/Frame No. 64185/0755 Sep 30, 2025
From: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
To: WOLFSPEED, INC.
Reel/Frame 072989/0001 →