HB

Howard S. Barnett

IP Intervoice Limited Partnership: 1 patents #2 of 3Top 70%
📍 Dallas, TX: #88 of 387 inventorsTop 25%
🗺 Texas: #1,330 of 5,527 inventorsTop 25%
Overall (1994): #123,746 of 165,921Top 75%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5311588 Call progress detection circuitry and method Michael J. Polcyn, Ellis K. Cave 1994-05-10