HS

Hilmar Schiewe

SM Sonopress Produktionsgesellschaft Fãƒâ¼R Ton- Und Informationstrãƒâ¤Ger Mbh: 1 patents #1 of 1Top 100%
📍 Gütersloh, DE: #1 of 4 inventorsTop 25%
Overall (1997): #38,092 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5652747 Optical disk recording method having duration ratio between high and low levels during formation of pits — 1997-07-29
5608718 Disk-shaped optical storage medium exhibiting an identification mark, and method of making such a storage medium — 1997-03-04