RG

Ralf Graeffe

OA Oy Lohja Ab: 2 patents #6 of 18Top 35%
Overall (All Time): #2,360,501 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4488084 Electroluminescence structure Sven Lindfors, Jorma O. Antson, Arto J. Pakkala, Tuomo Suntola 1984-12-11
4396864 Electroluminescent display component Tuomo Suntola, Jorma O. Antson, Sven Lindfors, Arto J. Pakkala 1983-08-02