Solicitação de exame técnico
#4.1
08/15/1989
RPI 982
Application data
Number
PI8604329Type
Filing
Publication
The patent was granted on 11/27/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 08/15/1989. We update with every new RPI gazette, published weekly.
Applicants
Dowell Schlumberger Inc.
US
Inventors
H. M. (pessoa física)
US
J. S. (pessoa física)
US
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