Solicitação de exame técnico
#4.1
08/11/1987
RPI 877
Application data
Number
PI8405191Type
Filing
Publication
The patent was granted on 03/26/1991 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: 08/11/1987. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
J. W. (pessoa física)
US
R. R. (pessoa física)
US
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