FP

Frederick C. Prue

📍 Billerica, MA: #287 of 621 inventorsTop 50%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,230,956 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6295657 Adjustable additive injection unit for a marine toilet system — 2001-10-02
5142707 Additive injection unit for a marine toilet system — 1992-09-01