IP Library › Assignment 015573/0297
Patent Assignment
Reel/Frame 015573/0297

Assignment of Assignor's Interest

Recorded: 2004-07-16 Pages: 2
Assignors
POTTER, STEPHEN M.
Executed: 2004-03-15
CLARK, JOHN
Executed: 2004-03-19
Assignee
TINTO, RIO
TORRE RIO SUL SALAS 3505/3506, R. LAURO MULLER 116, BOTAFOGO, RIO DE JANEIRO, CEP 22 290-260, BRAZIL
Covered Property (1)
Pre-Treatment Process for Feed Material for Direct Reduction Process
Patent: 7,175,690 →
Application: 10/789,696 →
Publication: US 2004/0261575
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Acquisition Jan 21, 2015
From: RIO TINTO BRASIL
To: VALE, S.A.
Reel/Frame 034819/0378 →
Corrective Assignment to Correct the Assignor Name Previously Recorded on Reel 034819 Frame 0378. Assignor(S) Hereby Confirms the Assignor's Name Is Rio Tinto Brasil Ltda.. Feb 10, 2015
From: RIO TINTO BRASIL LTDA.
To: VALE, S. A.
Reel/Frame 034944/0205 →
Change of Address Sep 13, 2017
From: VALE S.A.
To: VALE S.A.
Reel/Frame 043849/0613 →