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USPTO Patent Rankings Data through Dec 31, 2025
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Peter Dufresne — 1 Patent in 2021

Calgary, CA: #172 of 622 inventorsTop 30%
Overall (2021): #305,056 of 548,734Top 60%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10926243 Highly porous lubricant conditioning and remediation media Matthew Hobbs 2021-02-23