DR

Dirk Rotthaus

DA Demag Aktiengesellschaft: 1 patents #4 of 25Top 20%
MD Mannesmann Demag: 1 patents #10 of 73Top 15%
Overall (All Time): #2,372,403 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4307269 Switch apparatus for activating switch contacts 1981-12-22
4209681 Pull switch Gunter Somborn, Johannes Kluge, Heinz Hasselmann, Uwe Lichtenvort 1980-06-24