HR

Hans Ryden

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #3,957,219 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4764012 Device for determining the displacement of a tooth between two different examinations made on separate occasions Hans Ingmar Bjelkhagen 1988-08-16