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Lourens A. V. Hiemstra

Overall (All Time): #2,322,927 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4915312 Sprinkling device — 1990-04-10
4856552 Flow regulating device — 1989-08-15

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