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USPTO Patent Rankings Data through Sept 30, 2025
SR

Stephen E. Richens

Pittsfield, ME: #1 of 2 inventorsTop 50%
Maine: #57 of 258 inventorsTop 25%
Overall (2005): #97,041 of 245,428Top 40%
1 Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6969212 Self-aligning pivotable delineator pole Carolyn M. Richens 2005-11-29