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John Eric Chapman

Foley, AL: #2 of 4 inventorsTop 50%
Alabama: #242 of 968 inventorsTop 25%
Overall (2019): #412,466 of 560,194Top 75%
1 Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10378662 Pressure assisted rotary pinch valve — 2019-08-13

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Joseph O. Chapa1