EC

Eugene T. Campbell

📍 Denver, CO: #1,715 of 4,554 inventorsTop 40%
🗺 Colorado: #17,029 of 40,980 inventorsTop 45%
Overall (All Time): #2,362,279 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4383656 Mounting assembly for a roll of sheet material — 1983-05-17
4357492 Automatic microphone mixing apparatus Terrance R. Whittemore 1982-11-02