HH

Hans-Joachim Hartwig

DA Dragerwerk Aktiegesellschaft: 2 patents #102 of 361Top 30%
📍 Lübeck, DE: #203 of 505 inventorsTop 45%
Overall (All Time): #2,373,245 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4211221 Respirator Erik Schwanbom, Detlef Warnow 1980-07-08
4197844 Monitor device for a ventilation unit — 1980-04-15