IP Library › Assignment 026349/0973
Patent Assignment
Reel/Frame 026349/0973

Assignment of Assignor's Interest

Recorded: 2011-05-26 Pages: 4
Assignor
MAO, ZHENHUA
Executed: 2011-05-23
Assignee
CONOCOPHILLIPS COMPANY
600 N. DAIRY ASHFORD, ML 1065, HOUSTON, TEXAS, 77079
Covered Property (1)
Methods of Preparing Carbonaceous Material
Patent: 8,920,680 →
Application: 13/083,094 →
Publication: US 2011/0248212
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 15, 2012
From: CONOCOPHILLIPS COMPANY
To: PHILLIPS 66 COMPANY
Reel/Frame 028213/0824 →
Assignment of Assignor's Interest Jun 30, 2014
From: PHILLIPS 66 COMPANY
To: PYROTEK
Reel/Frame 033214/0849 →