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USPTO Patent Rankings Data through Sept 30, 2025
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Robert A. Koopman

Roscoe, IL: #10 of 19 inventorsTop 55%
Illinois: #2,058 of 6,921 inventorsTop 30%
Overall (2011): #180,837 of 364,097Top 50%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7972312 Compac syringe 2011-07-05