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USPTO Patent Rankings Data through Sept 30, 2025
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RN

Robert B. North

Houston, TX: #6,659 of 21,073 inventorsTop 35%
Texas: #40,946 of 125,132 inventorsTop 35%
Overall (All Time): #1,610,796 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6582126 Bearing surface with improved wear resistance and method for making same — 2003-06-24
6326582 Bearing with improved wear resistance and method for making same — 2001-12-04
6117493 Bearing with improved wear resistance and method for making same — 2000-09-12

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