Pedido de certificado de adição de invenção
#5.1
05/24/1988
RPI 918
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: 05/24/1988. We update with every new RPI gazette, published weekly.
Applicants
Richardson Sheffield Limited
GB
Inventors
J. H. (pessoa física)
US
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