GA

Gerhard Ach-Kowalewski

SG Siemens Audiologische Technik Gmbh: 4 patents #43 of 180Top 25%
Overall (All Time): #1,251,356 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7372970 Pocket hearing aid 2008-05-13
7372972 Ear insert for hearing aids Harald Klemenz, Torsten Niederdrank 2008-05-13
7013014 Hearing device system with behind-the-ear hearing aid devices fashioned side-specific Hartmut Ritter 2006-03-14
6044164 Hearing aid permitting simultaneous programming and adjustment with a single plug 2000-03-28