JP

John J. Phelan

📍 Stoneham, MA: #2 of 12 inventorsTop 20%
🗺 Massachusetts: #1,083 of 4,501 inventorsTop 25%
Overall (1997): #126,807 of 185,788Top 70%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5628897 Heated filter chamber with supporting collection chamber — 1997-05-13