RH

Riitta Holsti-Miettinen

OP Optatech: 1 patents #6 of 36Top 20%
📍 Helsinki, FI: #2,126 of 3,940 inventorsTop 55%
Overall (All Time): #3,655,268 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5929168 Polyphenylene ether blends and a process for the preparation thereof Olli Ikkala, Lars-Olof Pietila, Nikitas Katsaras, Maaria Seläntaus, Heidi Osterholm +1 more 1999-07-27