RW

Rolf Wengler

PG Polygram Gmbh: 1 patents #5 of 24Top 25%
Overall (All Time): #3,974,282 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4665513 Arrangement for error detection for disc-shaped information carriers — 1987-05-12