IP Library Assignment 013665/0644
Patent Assignment
Reel/Frame 013665/0644

Assignment of Assignor's Interest

Recorded: 2002-12-23 Pages: 2
Assignor
NGAN, DANNY YUK-KWAN
Executed: 2002-12-19
Assignee
SHELL OIL COMPANY
P.O. BOX 2463, 900 LOUISIANA, HOUSTON, TEXAS, 77252-2463
Covered Property (1)
Apparatus and Method for Determining and Contolling the Hydrogen-to-Carbon Ratio of a Pyrolysis Product Liquid Fraction
Patent: 7,238,847 →
Application: 10/328,424 →
Publication: US 2004/0122276
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Mar 7, 2022
From: SHELL OIL COMPANY
To: SHELL USA, INC.
Reel/Frame 059694/0819 →