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JH

John V. Hackerson

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Beardstown, IL: #4 of 7 inventorsTop 60%
Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #4,055,183 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D269844 Device for extracting soil cores for laboratory analysis — 1983-07-26

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