Solicitação de exame técnico
#4.1
04/19/1988
RPI 913
Application data
Number
PI8503106Type
Filing
Publication
The patent was granted on 11/26/1991 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: 04/19/1988. We update with every new RPI gazette, published weekly.
Applicants
PPG Industries, Inc.
US
Inventors
J. P. (pessoa física)
US
J. V. (pessoa física)
US
R. S. (pessoa física)
US
R. C. (pessoa física)
US
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