Patent Assignment
Reel/Frame 019616/0029
Assignment of Assignor's Interest
Recorded: 2007-07-27
Pages: 7
Assignors
DAS, MRINAL KANTI
Executed: 2007-05-30
ZHANG, QINGCHUN
Executed: 2007-05-02
CLAYTON, JOHN M., JR.
Executed: 2007-07-13
DONOFRIO, MATTHEW
Executed: 2007-05-15
Assignee
CREE, INC.
4600 SILICON DRIVE, DURHAM, NORTH CAROLINA, 27703
Covered Property
(1)
Silicon Carbide Power Devices Including P-Type Epitaxial Layers and Direct Ohmic Contacts
Related Assignments
(8)
Other recorded transfers of the patent in this record — the chain of ownership.
Confirmatory License
Oct 31, 2012
From: CREE INCORPORATED
To: NAVY, SECRETARY OF THE UNITED STATES OF AMERICA
Reel/Frame 029405/0234 →
Security Interest
Jun 30, 2023
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION
Reel/Frame 064185/0755 →
Notice of Grant of Security Interest in Intellectual Property
Sep 30, 2025
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 072992/0113 →
Notice of Grant of Security Interest in Intellectual Property
Sep 30, 2025
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 072992/0381 →
Notice of Grant of Security Interest in Intellectual Property
Sep 30, 2025
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 072992/0467 →
Notice of Grant of Security Interest in Intellectual Property
Sep 30, 2025
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 072992/0588 →
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 →
Notice of Grant of Security Interest in Intellectual Property
Mar 26, 2026
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 075280/0919 →