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Constantin B. Chantzis

📍 Glen Rock, NJ: #5 of 11 inventorsTop 50%
🗺 New Jersey: #1,736 of 5,778 inventorsTop 35%
Overall (2002): #238,411 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6417435 Audio-acoustic proficiency testing device Daniel Rosen 2002-07-09