Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Landis Campbell — 1 Patent in 2020

Harleysville, PA: #17 of 51 inventorsTop 35%
Pennsylvania: #2,542 of 7,986 inventorsTop 35%
Overall (2020): #504,120 of 565,922Top 90%
1 Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10538928 Protective barrier comprising a seam having an integrated dustcover system and a method for its use 2020-01-21