Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Hal Nelson — 1 Patent

Carmi, IL: #4 of 13 inventorsTop 35%
Illinois: #49,230 of 84,256 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Hal Nelson has been granted 1 US patent. All of these patents were granted in 1997. Hal Nelson ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Hal Nelson in Carmi, IL, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D383726 Electrical extension cord incorporating a switch 1997-09-16