WV

William Hume Vance

ZT Zoom Telephonics: 1 patents #1 of 2Top 50%
📍 Somerville, MA: #28 of 150 inventorsTop 20%
🗺 Massachusetts: #1,866 of 6,583 inventorsTop 30%
Overall (2004): #87,320 of 270,089Top 35%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6711238 Parallel-connected dialing signal transmission inhibiting device for data transfer over a telephone link Frank B. Manning 2004-03-23