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USPTO Patent Rankings Data through Sept 30, 2025
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R. Lee Roberts — 1 Patent in 2023

RDRoberts Marketing De: 1 patents #1 of 1Top 100%
Rose Valley, PA: #1 of 1 inventorsTop 100%
Pennsylvania: #2,304 of 7,623 inventorsTop 35%
Overall (2023): #290,066 of 537,848Top 55%
1 Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11713266 Systems for removing sludge from or distributing fluids in sludge or waste collection vessels 2023-08-01