MD

Manfred Duerst

PA Phonak Ag: 1 patents #110 of 208Top 55%
SA Sonova Ag: 1 patents #167 of 295Top 60%
Overall (All Time): #1,875,713 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10987031 Method of performing real ear measurements by placing a probe element at an intended position from a tympanic membrane of an individual's ear canal and a measuring system configured to carry out such method Stefan Pislak, Alfred Stirnemann, Michael Boretzki, Harald Krueger, Ullrich Sigwanz +1 more 2021-04-27
8090127 Method for manufacturing a fitted hearing device Michael Boretzki, Elmar Fichtl 2012-01-03