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Leonard D. Pietrzak

Dingmans Ferry, PA: #1 of 1 inventorsTop 100%
Pennsylvania: #1,792 of 6,061 inventorsTop 30%
Overall (2011): #363,202 of 364,097Top 100%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7959494 Sharpening cutting blades having a progressively changing cutting angle — 2011-06-14

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