IP Library Assignment 007999/0054
Patent Assignment
Reel/Frame 007999/0054

Assignment of Assignor's Interest

Recorded: 1996-04-23 Pages: 3
Assignor
ZHANG, XIAODONG
Executed: 1996-04-12
Assignee
USX CORPORATION
600 GRANT STREET, PITTSBURGH, PENNSYLVANIA, 15219
Covered Property (1)
Method and Apparatus for Post-Combustion of Gases During the Refining of Molten Metal
Patent: 5,681,526 →
Application: 08/636,329 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Conversion to Corporation Nov 8, 2004
From: UNITED STATES STEEL LLC
To: UNITED STATES STEEL CORPORATION
Reel/Frame 015953/0740 →
Merger Nov 8, 2004
From: USX CORPORATION
To: UNITED STATES STEEL LLC
Reel/Frame 015953/0753 →