WH

Werner Hagen

DA Dragerwerk Aktiegesellschaft: 1 patents #12 of 45Top 30%
Overall (1989): #45,200 of 140,708Top 35%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4817414 Measuring arrangement for detecting the level of combustible gases mixed with air Claus BRANDT, Gerd Mahrt 1989-04-04