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John J. McDevitt, Sr.

📍 Bow, NH: #39 of 77 inventorsTop 55%
🗺 New Hampshire: #5,349 of 12,181 inventorsTop 45%
Overall (All Time): #2,317,468 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5028241 Down-draft fixed bed gasifier system Cornelis A. Kooiman 1991-07-02
4929254 Down-draft fixed bed gasifier system Cornelis A. Kooiman 1990-05-29