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Inventor

KELLER STEFFEN

DE14 patents
⚠️ This page may combine multiple inventors who share the name “KELLER STEFFEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ABB PATENT GMBH

9 patents

ABB AG

2 patents

(unassigned)

1 patent

GEBHARDT JOERG

1 patent

MUENZER ADOLF

1 patent