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USPTO Patent Rankings Data through Sept 30, 2025
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Darrel R. Shackelford

Gladstone, MO: #2 of 3 inventorsTop 70%
Missouri: #597 of 2,351 inventorsTop 30%
Overall (2018): #440,927 of 503,207Top 90%
1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10060604 LED parking lot light retrofit 2018-08-28