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USPTO Patent Rankings Data through Sept 30, 2025
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Percy Evan Kean — 1 Patent

Ravenswood, AU: #1 of 1 inventorsTop 100%
Overall (All Time): #3,457,132 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6936159 Process for recovering hydrocarbons from a carbon containing material 2005-08-30