FS

Francis W. Sylva

📍 North Billerica, MA: #54 of 91 inventorsTop 60%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #4,042,591 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4477347 Portable water purifier — 1984-10-16