Solicitação de exame técnico
#4.1
09/13/1988
RPI 934
Application data
Number
PI8606483Type
Filing
Publication
The patent was granted on 04/27/1993 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: 09/13/1988. We update with every new RPI gazette, published weekly.
Applicants
PPG INDUSTRIES INC [US]
Inventors
D. M. (pessoa física)
US
G. H. (pessoa física)
US
H. G. (pessoa física)
US
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