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USPTO Patent Rankings Data through Sept 30, 2025
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Bertram E. Barnswell

Scarborough, CA: #313 of 629 inventorsTop 50%
Overall (All Time): #3,846,379 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5098025 Process for recycling as a whole asphalt containing waste products Michel P. Drouin, Khalid Salman Jasim, Robert J. Booth 1992-03-24