DH

Dietrich E. Hermann

OE Otis Elevator: 1 patents #5 of 30Top 20%
📍 Vechelde, DE: #2 of 4 inventorsTop 50%
Overall (1989): #120,343 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4875568 Escalator handrail drive Ralf Holzhauer 1989-10-24