Patent Assignment
Reel/Frame 015775/0361
Assignment of Assignor's Interest
Recorded: 2004-09-10
Pages: 2
Assignors
POTTER, STEPHEN M.
Executed: 2004-03-15
NETTO, PEDRO QUARIGUASI GUTEMBERG
Executed: 2004-03-15
Assignee
RIO TINTO BRASIL
TORRE RIO SUL SALAS 3505/3506, R. LAURO MULLER 116, BOTAGOGO, RIO DE JANEIRO, CEP 22 290-260, BRAZIL
Covered Property
(1)
Combined pre-treatment process for enabling feed material to be charged in direct reduction processes
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 →