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SA Siemens Aktiengesellschaft: 2 patents #6,658 of 22,248Top 30%
Overall (All Time): #2,364,211 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4412504 Device for holding substrate wafers — 1983-11-01
4350562 Method for etching semiconductor wafers on one side — 1982-09-21