Assignment of Assignor's Interest

Recorded: 2017-05-30 Pages: 2

Assignors

PEREIRA, WANDERSON ROBERTO

Executed: 2017-02-20

CARLOS, DIONISIO UENDRO

Executed: 2017-05-26

BRAGA, MARCO ANTÔNIO DA SILVA

Executed: 2017-05-26

Assignee

VALE S.A.

AVENIDA GRAÇA ARANHA, 26 - CENTRO, RIO DE JANEIRO - RJ, 20030-000, BRAZIL

Covered Property (1)

Method and System for Density Correction for Geophysical Well Logging Inside Drilling Rods

Patent: 9,778,393 →

Application: 14/701,223 →

Publication: US 2015/0316679

Related Assignments (1)

Other recorded transfers of the patent in this record — the chain of ownership.