CH

Charles Helle

📍 Encantado, BR: #69 of 243 inventorsTop 30%
Overall (All Time): #3,975,646 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4670200 Process for the production of propellant powders 1987-06-02