IP Library › Assignment 025561/0379
Patent Assignment
Reel/Frame 025561/0379

Assignment of Assignor's Interest

Recorded: 2010-12-22 Pages: 2
Assignors
KOPCHICK, JOSEPH C.
Executed: 2010-12-16
WANG, QIGUI
Executed: 2010-12-13
Assignee
GM GLOBAL TECHNOLOGY OPERATIONS LLC
300 RENAISSANCE CENTER, M/C 482-C23-B21, DETROIT, MICHIGAN, 48265
Covered Property (1)
Method of Making a Piston Oil Gallery Using a Hollow Metallic Core
Patent: 8,863,381 →
Application: 12/975,529 →
Publication: US 2012/0160092
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement Jun 24, 2011
From: GM GLOBAL TECHNOLOGY OPERATIONS LLC
To: WILMINGTON TRUST COMPANY
Reel/Frame 026499/0267 →
Release of Security Interest Nov 7, 2014
From: WILMINGTON TRUST COMPANY
To: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Reel/Frame 034287/0159 →