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Joseph Dren

Gilbert, MN: #1 of 1 inventorsTop 100%
Minnesota: #407 of 2,022 inventorsTop 25%
Overall (1989): #138,052 of 140,708Top 100%
1 Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4803942 Boat, keel and hull protector Allen Dren 1989-02-14

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