Patent Assignment
Reel/Frame 018437/0767
Assignment of Assignor's Interest
Recorded: 2006-10-09
Pages: 4
Assignors
CURIMBABA, SEBASTIAO
Executed: 2006-01-10
DE PAIVA CORTES, GABRIEL WARWICK KERR
Executed: 2006-01-10
DE PAIVA CORTES, GUILHERME
Executed: 2006-01-10
Assignee
MINERACAO CURIMBABA LTDA.
AV. JOAO PINHEIRO, 3665, POCOS DE CALDAS - MG, 37704-392, BRAZIL
Covered Property
(1)
Proppant for Hydraulic Fracturing of Oil and Gas Wells