IP Library › Assignment 023169/0664
Patent Assignment
Reel/Frame 023169/0664

Assignment of Assignor's Interest

Recorded: 2009-08-31 Pages: 6
Assignors
CALLANAN, ROBERT J.
Executed: 2009-08-28
RYU, SEI-HYUNG
Executed: 2009-08-28
ZHANG, QINGCHUN
Executed: 2009-08-27
Assignee
CREE, INC.
4600 SILICON DRIVE, DURHAM, NORTH CAROLINA, 27703
Covered Property (1)
Solid-State Pinch Off Thyristor Circuits
Patent: 8,354,690 →
Application: 12/550,574 →
Publication: US 2011/0049561
Related Assignments (7)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
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 072992/0588 →
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 Mar 26, 2026
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 075280/0919 →