Philip J. Dufresne

📍 Lakewood, OH: #261 of 447 inventorsTop 60%

🗺 Ohio: #42,657 of 73,341 inventorsTop 60%

Overall (All Time): #2,874,925 of 4,157,543Top 70%

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9885696	System for analyzing mercury	—	2018-02-06