FH

Frederic J. Hirzel

VT Vocal Technologies: 1 patents #1 of 2Top 50%
📍 Cupertino, CA: #238 of 620 inventorsTop 40%
🗺 California: #8,284 of 26,763 inventorsTop 35%
Overall (2002): #220,159 of 266,432Top 85%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6480549 Method for determining attenuation in a digital PCM channel Victor Demjancuko 2002-11-12