Solicitação de exame técnico
#4.1
05/23/1989
RPI 970
Application data
Number
PI8601669Type
Filing
Publication
The patent was granted on 05/28/1991 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: 05/23/1989. We update with every new RPI gazette, published weekly.
Applicants
ABB Vetco Gray Inc.
US
Inventors
J. H. (pessoa física)
US
R. D. (pessoa física)
US
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