MH

Mitchel Helfeld

📍 Trumbull, CT: #12 of 50 inventorsTop 25%
🗺 Connecticut: #560 of 2,265 inventorsTop 25%
Overall (1994): #91,516 of 165,921Top 60%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5302292 Method for treating ground water contamination Kenneth Soeder 1994-04-12