DH

Darrell Hertel

TE Thyssenkrupp Elevator: 1 patents #65 of 136Top 50%
Overall (All Time): #4,139,844 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10427912 Elevator system Bernd Altenburger, Holger Zerelles 2019-10-01