FC

Frederick C. Campbell

ND National Research Development: 1 patents #307 of 1,071Top 30%
📍 Meridianville, AL: #7 of 28 inventorsTop 25%
🗺 Alabama: #3,421 of 10,951 inventorsTop 35%
Overall (All Time): #2,311,309 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5140994 Surface vibration analysis Brian E. Storey 1992-08-25
H372 Piezoelectric charging device — 1987-11-03