P

Inventor

HELLETZGRUBER MATTHIAS

AT9 patents
⚠️ This page may combine multiple inventors who share the name “HELLETZGRUBER MATTHIAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NUANCE COMMUNICATIONS INC

7 patents

NUANCE COMM AUSTRIA GMBH

1 patent

HELLETZGRUBER MATTHIAS

1 patent