Patent Assignment
Reel/Frame 033457/0075
Assignment of Assignor's Interest
Recorded: 2014-08-04
Pages: 2
Assignors
LEAL FILHO, LAURINDO DE SALLES
Executed: 2014-04-30
SOUZA, HELDER SILVA
Executed: 2014-04-30
BRAGA, ANDRE SOARES
Executed: 2014-04-30
Assignee
VALE S.A.
AV. GRACA ARANHA, 26 - CENTRO, RIO DE JANEIRO, RJ, 20030-000, BRAZIL
Covered Property
(1)
Process for Concentrating Manganese Ores via Reverse Cationic Flotation of Silicates
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Firm's Name Previously Recorded at Reel: 033457 Frame: 0075. Assignor(S) Hereby Confirms the Assignment.
Aug 13, 2014
From: LEAL FILHO, LAURINDO DE SALLES; SOUZA, HELDER SILVA; BRAGA, ANDRE SOARES
To: VALE S. A.
Reel/Frame 033531/0974 →
Change of Address
Sep 13, 2017
From: VALE S.A.
To: VALE S.A.
Reel/Frame 043849/0613 →