IP Library › Assignment 062449/0068
Patent Assignment
Reel/Frame 062449/0068

Confirmatory License

Recorded: 2023-01-23 Pages: 2
Assignor
CREE, INC.
Executed: 2015-03-23
Assignee
U.S. DEPARTMENT OF ENERGY
1000 INDEPENDNCE AVE., SW, WASHINGTON, DISTRICT OF COLUMBIA, 20585
Covered Property (1)
Using a Carbon Vacancy Reduction Material to Increase Average Carrier Lifetime in a Silicon Carbide Semiconductor Device
Application: 13/610,993 →
Publication: US 2014/0070230
Related Assignments (11)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 12, 2012
From: O'LOUGHLIN, MICHAEL JOHN; CHENG, LIN; BURK, ALBERT AUGUSTUS, JR.; AGARWAL, ANANT KUMAR
To: CREE, INC.
Reel/Frame 028941/0050 →
Assignment of Assignor's Interest Aug 30, 2013
From: O'LOUGHLIN, MICHAEL JOHN; CHENG, LIN; BURK, ALBERT AUGUSTUS, JR.; AGARWAL, ANANT KUMAR
To: CREE, INC.
Reel/Frame 031116/0475 →
Confirmatory License Aug 24, 2016
From: CREE, INC.
To: U.S. DEPARTMENT OF ENERGY
Reel/Frame 039521/0827 →
Change of Name Oct 22, 2021
From: CREE, INC.
To: WOLFSPEED, INC.
Reel/Frame 057891/0880 →
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 →
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 →
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 →