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David L. Blackwell

Gnadenhutten, OH: #1 of 2 inventorsTop 50%
Ohio: #715 of 3,574 inventorsTop 25%
Overall (1989): #123,916 of 140,708Top 90%
1 Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4811648 Muzzle brake device Paul E. Stratton, Jr. 1989-03-14

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