JH

John C. Hardwick

DS Digital Voice Systems: 1 patents #1 of 2Top 50%
📍 Acton, MA: #98 of 271 inventorsTop 40%
🗺 Massachusetts: #5,264 of 14,267 inventorsTop 40%
Overall (2019): #409,630 of 560,194Top 75%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10210875 Audio watermarking via phase modification Daniel W. Griffin 2019-02-19