IP Library › Assignment 033531/0974
Patent Assignment
Reel/Frame 033531/0974

Corrective Assignment to Correct the Firm's Name Previously Recorded at Reel: 033457 Frame: 0075. Assignor(S) Hereby Confirms the Assignment.

Recorded: 2014-08-13 Pages: 5
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
Patent: 9,004,286 →
Application: 14/172,672 →
Publication: US 2014/0216987
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 4, 2014
From: LEAL FILHO, LAURINDO DE SALLES; SOUZA, HELDER SILVA; BRAGA, ANDRE SOARES
To: VALE S.A.
Reel/Frame 033457/0075 →
Change of Address Sep 13, 2017
From: VALE S.A.
To: VALE S.A.
Reel/Frame 043849/0613 →