Solicitação de exame técnico
#4.1
09/19/1989
RPI 987
Application data
Number
PI8602858Type
Filing
Publication
The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 09/19/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
T. M. (pessoa física)
US
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