JB

John M. Burkhart

EG Esco Group: 1 patents #72 of 186Top 40%
Overall (All Time): #4,065,802 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4317300 Earth working tooth with wear cap Robert K. Emrich, William H. Prather 1982-03-02