P

Inventor

DE VRIES HANS

NL12 patents
⚠️ This page may combine multiple inventors who share the name “DE VRIES HANS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SIEMENS AG

4 patents

ZELLWEGER USTER AG

3 patents

ALUMINAL OBERFLACHENTECHNIK GM

2 patents

DUNLOP ENERKA BV

2 patents

WOKKE EDUARD A

1 patent