HH

Henk Helweg

QB Quest International B.V.: 1 patents #49 of 168Top 30%
📍 Huizen, NL: #41 of 102 inventorsTop 45%
Overall (All Time): #3,370,955 of 4,157,543Top 85%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7455852 Insect repellents Richard Arthur Birch 2008-11-25