JH

John C. Hardwick

DS Digital Voice Systems: 1 patents #1 of 2Top 50%
📍 Acton, MA: #30 of 116 inventorsTop 30%
🗺 Massachusetts: #1,495 of 6,037 inventorsTop 25%
Overall (2005): #171,802 of 245,428Top 75%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6912495 Speech model and analysis, synthesis, and quantization methods Daniel W. Griffin 2005-06-28