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Douglas B. Johnson

Hampstead, NH: #3 of 10 inventorsTop 30%
New Hampshire: #379 of 1,252 inventorsTop 35%
Overall (2011): #313,880 of 364,097Top 90%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8043088 Endodontic procedure employing simultaneous liquefaction and acoustic debridgement — 2011-10-25

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