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Home › Inventors › Valdemar Antunes Ferreira
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Valdemar Antunes Ferreira — 1 Patent

Santa Marinha do Zêzere, PT: #1 of 2 inventorsTop 50%
Overall (All Time): #3,531,549 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6663121 Interconnected rotary system with built-in suspension for baby prams Emanuel Fernando Oliveira Santos 2003-12-16

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