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John W. Spaniol

FE Frederick Electronic: 1 patents #2 of 3Top 70%
📍 West Hollywood, CA: #6 of 35 inventorsTop 20%
🗺 California: #1,105 of 6,198 inventorsTop 20%
Overall (1982): #51,311 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4355403 Teletypewriter line keyer with switching current regulator Ronald E. Tollum, Julius A. Barthelme 1982-10-19