P

Inventor

UMBACH DIRK

DE13 patents
⚠️ This page may combine multiple inventors who share the name “UMBACH DIRK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ESSELTE METO INT GMBH

6 patents

NOKIA MOBILE PHONES LTD

4 patents

NOKIA CORP

3 patents