HW

Hans-Joachim Walther

DA Dragerwerk Aktiegesellschaft: 1 patents #20 of 67Top 30%
📍 Lübeck, DE: #8 of 36 inventorsTop 25%
Overall (1994): #128,040 of 165,921Top 80%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5322059 Breathing mask with flow indicator for the respiration air 1994-06-21