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USPTO Patent Rankings Data through Sept 30, 2025
EI

E. Barton Chapin, III

Maine: #1,571 of 4,281 inventorsTop 40%
Overall (All Time): #2,217,628 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6442896 Multiple-axis hatch assembly 2002-09-03
6196678 Protective glasses with built-in corrective lenses 2001-03-06