RT

Ronald E. Tollum

FE Frederick Electronic: 1 patents #2 of 3Top 70%
📍 Simi Valley, CA: #3 of 20 inventorsTop 15%
🗺 California: #1,105 of 6,198 inventorsTop 20%
Overall (1982): #33,083 of 81,411Top 45%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4355403 Teletypewriter line keyer with switching current regulator John W. Spaniol, Julius A. Barthelme 1982-10-19