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Home › Inventors › John J. McDevitt, Sr.

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John J. McDevitt, Sr. — 2 Patents

Bow, NH: #39 of 77 inventorsTop 55%

New Hampshire: #5,383 of 12,181 inventorsTop 45%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

2 Patents All Time

John J. McDevitt, Sr. has been granted 2 US patents. The first was granted in 1990 and the most recent in July 1991. John J. McDevitt, Sr. ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John J. McDevitt, Sr. in Bow, NH, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
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

John J. McDevitt, Sr. — 2 Patents

Issued Patents All Time

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