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Robert Rottinghaus

Jesup, IA: #1 of 2 inventorsTop 50%
Iowa: #26 of 549 inventorsTop 5%
Overall (1989): #16,847 of 140,708Top 15%
2 Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4848121 Manual hose end crimper — 1989-07-18
4815164 Door hinge spring — 1989-03-28

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