AY

Alexander Ypma

GA Gn Hearing A/S: 1 patents #12 of 32Top 40%
Overall (2017): #494,941 of 506,227Top 100%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9560991 Efficient evaluation of hearing ability Aalbert De Vries, Svante Sten Johan Stadler, Arne Leijon, Tjeerd Dijkstra 2017-02-07