JT

John E. Trombly

TE Teltone: 1 patents #1 of 3Top 35%
🗺 Massachusetts: #329 of 1,827 inventorsTop 20%
Overall (1982): #51,122 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4330687 Audio and full duplex digital data carrier system John D. Foulkes, David K. Worthington 1982-05-18