Patent Assignment
Reel/Frame 003886/0912
Assignment of Assignors Interest.
Recorded: 1981-08-12
Pages: 3
Assignor
MAGALHAES, GUSTAVO
Executed: 1981-06-23
Assignee
COMPANHIA VALE DO RIO DOCE, RIO DE JANEIRO, RIO DE JANEIRO
AT AVENIDA GRACA ARANHA, A MIXED ECONOMY COMPANY, NR. 26, 5TH FLOOR, NOT PROVIDED
Covered Property
(1)
Process to Obtain Anathase Mechanical Concentrates
Patent:
4,256,266 →
Application:
05/971,266 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.