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Heinz Donnerstag

Overall (All Time): #3,918,282 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4795146 Training device for cross-country skiers and ice skaters Hans-Ueli Kreuzer 1989-01-03