Patent Assignment
Reel/Frame 012844/0598
Assignment of Assignor's Interest
Recorded: 2002-04-18
Pages: 2
Assignors
WU, AN-HSIANG
Executed: 2002-04-01
YAO, JIANHUA
Executed: 2002-03-27
DRAKE, CHARLES A.
Executed: 2002-04-15
Assignee
PHILIPS PETROLEUM COMPANY
BARTLESVILLE, OKLAHOMA, 74004
Covered Property
(1)
Syngas Conversion and Catalyst System Employed Therefor
Patent:
6,638,892 →
Application:
10/125,661 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.