MP

Michael R. Portnoff

MIT: 1 patents #4,386 of 9,367Top 50%
📍 Somerville, MA: #1,823 of 2,735 inventorsTop 70%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #4,082,253 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4246617 Digital system for changing the rate of recorded speech — 1981-01-20