Patent Assignment
Reel/Frame 025100/0418
Assignment of Assignor's Interest
Recorded: 2010-10-06
Pages: 5
Assignors
HAMAMA, WAJDI B.
Executed: 2010-09-21
SAWDON, CRAIG M.
Executed: 2010-09-21
FERCH, ERIC B.
Executed: 2010-09-22
DEFEVER, MATTHEW DAVID
Executed: 2010-09-29
BROADUS, HILLARY L.
Executed: 2010-09-24
Assignee
GM GLOBAL TECHNOLOGY OPERATIONS, INC.
P.O. BOX 300, MAIL CODE 482-C23-B21, DETROIT, MICHIGAN, 48265-3000
Covered Property
(1)
System and Method for Knock Detection Based on Ethanol Concentration in Fuel
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Nov 8, 2010
From: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
To: WILMINGTON TRUST COMPANY
Reel/Frame 025324/0658 →
Change of Name
Feb 10, 2011
From: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
To: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Reel/Frame 025780/0482 →
Release of Security Interest
Nov 7, 2014
From: WILMINGTON TRUST COMPANY
To: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Reel/Frame 034287/0159 →